股本结构
单位：万股
| 公告日期 | 2026-05-07 | 2026-05-07 | 2026-02-26 | 2025-11-06 | 2025-11-06 | 2025-08-07 |
|---|---|---|---|---|---|---|
| 证券总股本 | 6218.12 | 6218.00 | 6217.77 | 6216.39 | 6216.36 | 6215.64 |
| 普通股本 | 6218.12 | 6218.00 | 6217.77 | 6216.39 | 6216.36 | 6215.64 |
| 优先股 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2026-05-04 | 2026-03-31 | 2026-02-23 | 2025-11-03 | 2025-09-30 | 2025-08-04 |
注释：中概股证券总股本=普通股股本/
存托凭证比例
历史变动
| 公告日期 | 变动后普通股本（万股） | 变动后优先股（万股） | 变动原因 | 变动日期 |
|---|---|---|---|---|
| 2026-05-07 | 6218.12 | 未披露 | 定期报告 | 2026-05-04 |
| 2026-05-07 | 6218.00 | 未披露 |
更多>>
From December 31, 2025 to March 31, 2026
Exercise of stock options
Purchase of treasury stock (827 shares)
|
2026-03-31 |
| 2026-02-26 | 6217.77 | 未披露 | 定期报告 | 2026-02-23 |
| 2025-11-06 | 6216.39 | 未披露 | 定期报告 | 2025-11-03 |
| 2025-11-06 | 6216.36 | 未披露 |
更多>>
From June 30, 2025 to September 30, 2025
Exercise of stock options
|
2025-09-30 |
| 2025-08-07 | 6215.64 | 未披露 | 定期报告 | 2025-08-04 |
| 2025-08-07 | 6215.07 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Exercise of stock options
|
2025-06-30 |
| 2025-05-05 | 6214.19 | 未披露 | 定期报告 | 2025-05-01 |
| 2025-05-05 | 6221.80 | 未披露 |
更多>>
From December 31, 2024 to March 31, 2025
Exercise of stock options
|
2025-03-31 |
| 2025-02-27 | 6221.58 | 未披露 | 定期报告 | 2025-02-24 |
| 2024-11-07 | 6220.28 | 未披露 | 定期报告 | 2024-11-04 |
| 2024-11-07 | 6219.86 | 未披露 |
更多>>
From June 30, 2024 to September 30, 2024
Exercise of stock options
Purchase of treasury stock (3,744 shares)
|
2024-09-30 |
| 2024-08-01 | 6219.21 | 未披露 | 定期报告 | 2024-07-29 |
| 2024-08-01 | 6217.98 | 未披露 |
更多>>
From March 31, 2024 to June 30, 2024
Exercise of stock options
|
2024-06-30 |
| 2024-05-02 | 6217.70 | 未披露 | 定期报告 | 2024-04-29 |
| 2024-05-02 | 6217.00 | 未披露 |
更多>>
From December 31, 2023 to March 31, 2024
Exercise of stock options
Purchase of treasury stock (9,284 shares)
|
2024-03-31 |
| 2024-02-26 | 6216.82 | 未披露 | 定期报告 | 2024-02-20 |
| 2024-02-26 | 6207.57 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Exercise of stock options
|
2023-12-31 |
| 2023-11-02 | 6205.85 | 未披露 | 定期报告 | 2023-10-30 |
| 2023-11-02 | 6205.58 | 未披露 |
更多>>
From June 30, 2023 to September 30, 2023
Exercise of stock options
Purchase of treasury stock (2,000 shares)
|
2023-09-30 |
| 2023-08-03 | 6204.89 | 未披露 | 定期报告 | 2023-07-31 |
| 2023-08-03 | 6204.50 | 未披露 |
更多>>
From March 31, 2023 to June 30, 2023
Exercise of stock options
Purchase of treasury stock
|
2023-06-30 |
| 2023-05-04 | 6211.46 | 未披露 | 定期报告 | 2023-05-01 |
| 2023-05-04 | 6212.04 | 未披露 |
更多>>
From December 31, 2022 to March 31, 2023
Exercise of stock options
|
2023-03-31 |
| 2023-02-23 | 6214.46 | 未披露 | 定期报告 | 2023-02-17 |
| 2023-02-23 | 6214.18 | 未披露 | 定期报告 | 2022-12-31 |
| 2022-11-03 | 6211.38 | 未披露 | 定期报告 | 2022-10-31 |
| 2022-11-03 | 6210.86 | 未披露 |
更多>>
From June 30, 2022 to September 30, 2022
Exercise of stock options
Purchase of treasury stock (283,270 shares)
|
2022-09-30 |
| 2022-08-04 | 6224.21 | 未披露 | 定期报告 | 2022-08-01 |
| 2022-08-04 | 6237.53 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Exercise of stock options
Purchase of treasury stock (930,762 shares)
|
2022-06-30 |
| 2022-05-05 | 6317.22 | 未披露 | 定期报告 | 2022-05-02 |
| 2022-04-18 | 6329.50 | 未披露 | 定期报告 | 2022-04-01 |
| 2022-02-24 | 6337.60 | 未披露 | 定期报告 | 2022-02-18 |
| 2021-11-04 | 6336.72 | 未披露 | 定期报告 | 2021-11-01 |
| 2021-11-04 | 6336.43 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Exercise of stock options
Purchase of treasury stock (16,713 shares)
|
2021-09-30 |
| 2021-08-05 | 6337.23 | 未披露 | 定期报告 | 2021-08-02 |
| 2021-08-05 | 6337.00 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Exercise of stock options
|
2021-06-30 |
| 2021-05-06 | 6335.97 | 未披露 | 定期报告 | 2021-05-03 |
| 2021-05-06 | 6335.01 | 未披露 |
更多>>
From December 31, 2020 to March 31, 2021
Exercise of stock options
|
2021-03-31 |
| 2021-02-25 | 6329.86 | 未披露 | 定期报告 | 2021-02-22 |
| 2021-02-25 | 6327.97 | 未披露 |
更多>>
From December 31, 2019 to December 31, 2020
Exercise of stock options
Purchase of treasury (1,946,228 shares)
|
2020-12-31 |
| 2020-11-05 | 6327.54 | 未披露 | 定期报告 | 2020-11-03 |
| 2020-11-05 | 6327.29 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Exercise of stock options
Purchase of treasury stock (740,598 shares)
|
2020-09-30 |
| 2020-08-06 | 6326.75 | 未披露 | 定期报告 | 2020-08-04 |
| 2020-08-06 | 6327.23 | 未披露 |
更多>>
From March 31, 2020 to June 30, 2020
Exercise of stock options
Purchase of treasury stock (740,598 shares)
|
2020-06-30 |
| 2020-05-07 | 6327.07 | 未披露 | 定期报告 | 2020-05-04 |
| 2020-04-17 | 6386.86 | 未披露 | 定期报告 | 2020-04-01 |
| 2020-05-07 | 6400.98 | 未披露 |
更多>>
from December 31, 2019 to March 31, 2020
Purchase of treasury stock (1,200,614 shares)
Exercise of stock options
|
2020-03-31 |
| 2020-02-27 | 6520.78 | 未披露 | 定期报告 | 2020-02-24 |
| 2020-02-27 | 6519.99 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Dividends:
Purchase of treasury (468,918 shares)
Exercise of stock options
|
2019-12-31 |
| 2019-11-06 | 6519.53 | 未披露 | 定期报告 | 2019-11-01 |
| 2019-11-06 | 6517.73 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Purchase of treasury (516,973 shares)
Exercise of stock options
|
2019-09-30 |
| 2019-08-08 | 6565.82 | 未披露 | 定期报告 | 2019-08-05 |
| 2019-08-08 | 6565.38 | 未披露 |
更多>>
From March 31, 2019 to June 30, 2019
Purchase of treasury (1,953 shares)
Exercise of stock options
|
2019-06-30 |
| 2019-05-09 | 6564.75 | 未披露 | 定期报告 | 2019-05-06 |
| 2019-04-15 | 6564.46 | 未披露 | 定期报告 | 2019-04-01 |
| 2019-05-09 | 6564.18 | 未披露 |
更多>>
from December 31, 2018 to March 31, 2019
Dividends:
Purchase of treasury (1,305 shares)
Exercise of stock options
|
2019-03-31 |
| 2019-02-27 | 6561.75 | 未披露 | 定期报告 | 2019-02-25 |
| 2019-02-27 | 6560.99 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Dividends:
Purchase of treasury (554,598 shares)
Exercise of stock options
|
2018-12-31 |
| 2018-11-07 | 6615.51 | 未披露 | 定期报告 | 2018-11-05 |
| 2018-11-07 | 6614.25 | 未披露 | 定期报告 | 2018-09-30 |
| 2018-08-07 | 6613.69 | 未披露 | 定期报告 | 2018-08-03 |
| 2018-08-07 | 6612.48 | 未披露 | 定期报告 | 2018-06-30 |
| 2018-05-08 | 6611.15 | 未披露 | 定期报告 | 2018-05-04 |
| 2018-04-16 | 6610.45 | 未披露 | 定期报告 | 2018-04-02 |
| 2018-05-08 | 6607.95 | 未披露 | 定期报告 | 2018-03-31 |
| 2018-02-28 | 6609.73 | 未披露 | 定期报告 | 2018-02-23 |
| 2018-02-28 | 6607.95 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Exercise of stock options
|
2017-12-31 |
| 2017-11-08 | 6607.45 | 未披露 | 定期报告 | 2017-11-03 |
| 2017-11-08 | 6606.49 | 未披露 | 定期报告 | 2017-09-30 |
| 2017-08-07 | 6605.96 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-05-08 | 6605.44 | 未披露 | 定期报告 | 2017-05-03 |
| 2017-05-08 | 6603.27 | 未披露 | 定期报告 | 2017-03-31 |
| 2017-02-27 | 6598.96 | 未披露 | 定期报告 | 2017-02-22 |
| 2017-02-27 | 6597.55 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Exercise of stock options
Dividends:Purchase of treasury (349,029 shares)
|
2016-12-31 |
| 2016-11-07 | 6596.38 | 未披露 | 定期报告 | 2016-11-03 |
| 2016-11-07 | 6595.39 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-08-05 | 6594.82 | 未披露 | 定期报告 | 2016-08-02 |
| 2016-08-05 | 6594.66 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-05-09 | 6594.37 | 未披露 | 定期报告 | 2016-05-03 |
| 2016-04-18 | 6594.15 | 未披露 | 定期报告 | 2016-04-01 |
| 2016-05-09 | 6594.14 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-02-26 | 6593.35 | 未披露 | 定期报告 | 2016-02-22 |
| 2016-02-26 | 6628.06 | 未披露 |
更多>>
from December 31, 2014 to December 31, 2015
Exercise of stock options
Purchase of treasury (261,079 shares)
|
2015-12-31 |
| 2015-11-06 | 6637.44 | 未披露 | 定期报告 | 2015-11-02 |
| 2015-11-06 | 6640.13 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-08-07 | 6647.07 | 未披露 | 定期报告 | 2015-07-31 |
| 2015-08-07 | 6644.62 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-05-08 | 6641.81 | 未披露 | 定期报告 | 2015-05-01 |
| 2015-05-08 | 6640.85 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-02-27 | 6640.54 | 未披露 | 定期报告 | 2015-02-20 |
| 2015-02-27 | 6645.94 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Exercise of stock options
Purchase of treasury (787,387 shares)
|
2014-12-31 |
| 2014-11-10 | 6659.58 | 未披露 | 定期报告 | 2014-11-04 |
| 2014-11-10 | 6674.42 | 未披露 | 定期报告 | 2014-09-30 |
| 2014-08-11 | 6689.22 | 未披露 | 定期报告 | 2014-08-05 |
| 2014-08-11 | 6688.75 | 未披露 | 定期报告 | 2014-06-30 |
| 2014-05-05 | 6696.73 | 未披露 | 定期报告 | 2014-04-29 |
| 2014-05-05 | 6696.46 | 未披露 | 定期报告 | 2014-03-31 |
| 2014-02-24 | 6720.83 | 未披露 | 定期报告 | 2014-02-19 |
| 2014-02-24 | 6720.64 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Exercise of stock options
|
2013-12-31 |
| 2013-11-06 | 6720.50 | 未披露 | 定期报告 | 2013-11-01 |
| 2013-11-06 | 6719.91 | 未披露 | 定期报告 | 2013-09-30 |
| 2013-08-05 | 6719.76 | 未披露 | 定期报告 | 2013-07-31 |
| 2013-08-05 | 6719.33 | 未披露 | 定期报告 | 2013-06-30 |
| 2013-05-09 | 6718.96 | 未披露 | 定期报告 | 2013-05-06 |
| 2013-05-09 | 6718.84 | 未披露 | 定期报告 | 2013-03-31 |
| 2013-02-25 | 6718.79 | 未披露 | 定期报告 | 2013-02-20 |
| 2013-02-25 | 6718.73 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Preferred stock (5%) including discount accretion
Redemption of Series A Preferred Shares (216,000 shares)
Exercise of stock options
Purchase of treasury stock
|
2012-12-31 |
| 2012-11-05 | 6722.29 | 未披露 | 定期报告 | 2012-10-31 |
| 2012-11-05 | 6722.26 | 17.60 | 定期报告 | 2012-09-30 |
| 2012-08-06 | 6722.90 | 未披露 | 定期报告 | 2012-08-01 |
| 2012-08-06 | 6722.85 | 21.60 | 定期报告 | 2012-06-30 |
| 2012-05-07 | 6724.98 | 未披露 | 定期报告 | 2012-05-02 |
| 2012-05-07 | 6724.94 | 21.60 | 定期报告 | 2012-03-31 |
| 2012-02-27 | 6727.82 | 未披露 | 定期报告 | 2012-02-21 |
| 2012-02-27 | 6727.79 | 21.60 |
更多>>
from December 31, 2010 to December 31, 2011
Preferred stock (5%) including discount accretion
Exercise of stock options
Purchase of treasury stock
|
2011-12-31 |
| 2011-11-07 | 6727.78 | 未披露 | 定期报告 | 2011-10-31 |
| 2011-11-07 | 6728.58 | 21.60 | 定期报告 | 2011-09-30 |
| 2011-08-08 | 6752.26 | 21.60 | 定期报告 | 2011-06-30 |
| 2011-05-06 | 6769.78 | 未披露 | 定期报告 | 2011-05-02 |
| 2011-05-06 | 6770.17 | 21.60 | 定期报告 | 2011-03-31 |
| 2011-02-28 | 6770.17 | 未披露 | 定期报告 | 2011-02-22 |
| 2011-02-28 | 6769.52 | 21.60 |
更多>>
from December 31, 2009 to December 31, 2010
Preferred stock (5%) including discount accretion
Purchase of treasury stock (408,888 shares)
|
2010-12-31 |
| 2010-11-01 | 6770.62 | 未披露 | 定期报告 | 2010-10-25 |
| 2010-11-01 | 6772.18 | 21.60 | 定期报告 | 2010-09-30 |
| 2010-08-05 | 6787.41 | 未披露 | 定期报告 | 2010-08-02 |
| 2010-08-05 | 6795.91 | 21.60 | 定期报告 | 2010-06-30 |
| 2010-03-01 | 6810.39 | 21.60 |
更多>>
from December 31, 2008 to December 31, 2009
Exercise of stock options
Purchase of treasury stock (708,952 shares)
|
2009-12-31 |
| 2009-02-25 | 6860.31 | 未披露 | 定期报告 | 2009-02-20 |
| 2009-02-25 | 6860.11 | 21.60 |
更多>>
from December 31, 2007 to December 31, 2008
Exercise of stock options
Purchase of treasury stock (48,339 shares)
|
2008-12-31 |
| 2008-02-29 | 6858.85 | 未披露 | 定期报告 | 2008-02-22 |
| 2008-02-29 | 6859.21 | 未披露 |
更多>>
from December 31, 2006 to December 31, 2007
Dividends: Shares issued
Purchase of treasury stock (1,196,688 Shares)
Exercise of stock options
|
2007-12-31 |
| 2007-04-03 | 6931.70 | 未披露 |
更多>>
0.1 stock dividend
|
2007-05-17 |
| 2007-03-01 | 6301.54 | 未披露 | 定期报告 | 2007-02-22 |
| 2007-03-01 | 6291.17 | 未披露 |
更多>>
from December 31, 2005 to December 31, 2006
Exercise of stock options
Purchase of treasury stock
|
2006-12-31 |
| 2006-03-15 | 6336.83 | 未披露 | 定期报告 | 2006-03-07 |
| 2006-03-15 | 6372.88 | 未披露 |
更多>>
from December 31, 2004 to December 31, 2005
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
|
2005-12-31 |
| 2005-04-01 | 6362.44 | 未披露 |
更多>>
0.25 stock dividend
|
2005-06-01 |
| 2005-03-15 | 5089.96 | 未披露 | 定期报告 | 2005-03-07 |
| 2005-03-15 | 5082.11 | 未披露 |
更多>>
from December 31, 2003 to December 31, 2004
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
Stock issued in acquisition
|
2004-12-31 |
| 2004-04-02 | 4847.14 | 未披露 |
更多>>
0.25 stock dividend
|
2004-06-01 |
| 2004-03-12 | 3877.71 | 未披露 | 定期报告 | 2004-03-05 |
| 2004-03-12 | 3870.59 | 未披露 |
更多>>
from December 31, 2002 to December 31, 2003
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
|
2003-12-31 |
| 2003-04-03 | 3865.17 | 未披露 |
更多>>
0.25 stock dividend
|
2003-06-17 |
| 2003-03-31 | 3092.13 | 未披露 | 定期报告 | 2003-03-24 |
| 2003-03-31 | 3126.01 | 未披露 |
更多>>
from December 31, 2001 to December 31, 2002
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
|
2002-12-31 |
| 2002-04-04 | 3237.98 | 未披露 |
更多>>
0.25 stock dividend
|
2002-06-17 |
| 2002-04-01 | 2590.39 | 未披露 | 定期报告 | 2002-03-25 |
| 2002-04-01 | 2622.31 | 未披露 |
更多>>
from December 31, 2000 to December 31, 2001
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock
|
2001-12-31 |
| 2001-04-12 | 2663.44 | 未披露 |
更多>>
0.25 stock dividend
|
2001-06-18 |
| 2001-03-28 | 2130.75 | 未披露 | 定期报告 | 2001-03-20 |
| 2001-03-28 | 2134.13 | 未披露 |
更多>>
from December 31, 1999 to December 31, 2000
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock
|
2000-12-31 |
| 2000-04-06 | 2153.34 | 未披露 |
更多>>
0.25 stock dividend
|
2000-06-13 |
| 2000-03-30 | 1722.67 | 未披露 | 定期报告 | 2000-03-20 |
| 2000-03-30 | 1723.99 | 未披露 |
更多>>
from December 31, 1998 to December 31, 1999
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock
|
1999-12-31 |
| 1999-04-07 | 1764.77 | 未披露 |
更多>>
5:4 stock split
|
1999-06-14 |
| 1999-03-31 | 1411.82 | 未披露 | 定期报告 | 1999-03-19 |
| 1999-03-31 | 1412.01 | 未披露 |
更多>>
from December 31, 1997 to December 31, 1998
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock.
|
1998-12-31 |
| 1998-03-23 | 1407.52 | 未披露 |
更多>>
5:4 stock split
|
1998-06-15 |
| 1998-03-31 | 1126.02 | 未披露 | 定期报告 | 1998-03-20 |
| 1998-03-31 | 1111.73 | 未披露 |
更多>>
from December 31, 1996 to December 31, 1997
Stock dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
Sale of stock
|
1997-12-31 |
From December 31, 2025 to March 31, 2026
Exercise of stock options
Purchase of treasury stock (827 shares)
From June 30, 2025 to September 30, 2025
Exercise of stock options
From March 31, 2025 to June 30, 2025
Exercise of stock options
From December 31, 2024 to March 31, 2025
Exercise of stock options
From June 30, 2024 to September 30, 2024
Exercise of stock options
Purchase of treasury stock (3,744 shares)
From March 31, 2024 to June 30, 2024
Exercise of stock options
From December 31, 2023 to March 31, 2024
Exercise of stock options
Purchase of treasury stock (9,284 shares)
From December 31, 2022 to December 31, 2023
Exercise of stock options
From June 30, 2023 to September 30, 2023
Exercise of stock options
Purchase of treasury stock (2,000 shares)
From March 31, 2023 to June 30, 2023
Exercise of stock options
Purchase of treasury stock
From December 31, 2022 to March 31, 2023
Exercise of stock options
From June 30, 2022 to September 30, 2022
Exercise of stock options
Purchase of treasury stock (283,270 shares)
From March 31, 2022 to June 30, 2022
Exercise of stock options
Purchase of treasury stock (930,762 shares)
From June 30, 2021 to September 30, 2021
Exercise of stock options
Purchase of treasury stock (16,713 shares)
From March 31, 2021 to June 30, 2021
Exercise of stock options
From December 31, 2020 to March 31, 2021
Exercise of stock options
From December 31, 2019 to December 31, 2020
Exercise of stock options
Purchase of treasury (1,946,228 shares)
From June 30, 2020 to September 30, 2020
Exercise of stock options
Purchase of treasury stock (740,598 shares)
From March 31, 2020 to June 30, 2020
Exercise of stock options
Purchase of treasury stock (740,598 shares)
from December 31, 2019 to March 31, 2020
Purchase of treasury stock (1,200,614 shares)
Exercise of stock options
from December 31, 2018 to December 31, 2019
Dividends:
Purchase of treasury (468,918 shares)
Exercise of stock options
from June 30, 2019 to September 30, 2019
Purchase of treasury (516,973 shares)
Exercise of stock options
From March 31, 2019 to June 30, 2019
Purchase of treasury (1,953 shares)
Exercise of stock options
from December 31, 2018 to March 31, 2019
Dividends:
Purchase of treasury (1,305 shares)
Exercise of stock options
from December 31, 2017 to December 31, 2018
Dividends:
Purchase of treasury (554,598 shares)
Exercise of stock options
from December 31, 2016 to December 31, 2017
Exercise of stock options
from December 31, 2015 to December 31, 2016
Exercise of stock options
Dividends:Purchase of treasury (349,029 shares)
from December 31, 2014 to December 31, 2015
Exercise of stock options
Purchase of treasury (261,079 shares)
from December 31, 2013 to December 31, 2014
Exercise of stock options
Purchase of treasury (787,387 shares)
from December 31, 2012 to December 31, 2013
Exercise of stock options
from December 31, 2011 to December 31, 2012
Preferred stock (5%) including discount accretion
Redemption of Series A Preferred Shares (216,000 shares)
Exercise of stock options
Purchase of treasury stock
from December 31, 2010 to December 31, 2011
Preferred stock (5%) including discount accretion
Exercise of stock options
Purchase of treasury stock
from December 31, 2009 to December 31, 2010
Preferred stock (5%) including discount accretion
Purchase of treasury stock (408,888 shares)
from December 31, 2008 to December 31, 2009
Exercise of stock options
Purchase of treasury stock (708,952 shares)
from December 31, 2007 to December 31, 2008
Exercise of stock options
Purchase of treasury stock (48,339 shares)
from December 31, 2006 to December 31, 2007
Dividends: Shares issued
Purchase of treasury stock (1,196,688 Shares)
Exercise of stock options
0.1 stock dividend
from December 31, 2005 to December 31, 2006
Exercise of stock options
Purchase of treasury stock
from December 31, 2004 to December 31, 2005
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
0.25 stock dividend
from December 31, 2003 to December 31, 2004
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
Stock issued in acquisition
0.25 stock dividend
from December 31, 2002 to December 31, 2003
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
0.25 stock dividend
from December 31, 2001 to December 31, 2002
Dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
0.25 stock dividend
from December 31, 2000 to December 31, 2001
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock
0.25 stock dividend
from December 31, 1999 to December 31, 2000
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock
0.25 stock dividend
from December 31, 1998 to December 31, 1999
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock
5:4 stock split
from December 31, 1997 to December 31, 1998
Stock dividends: Shares issued
Exercise of stock options
Purchase of treasury stock.
5:4 stock split
from December 31, 1996 to December 31, 1997
Stock dividends: Shares issued
Purchase of treasury stock
Exercise of stock options
Sale of stock