股本结构
单位：万股
| 公告日期 | 2015-08-06 | 2015-08-06 | 2015-03-25 | 2014-11-10 | 2014-08-08 | 2014-05-05 |
|---|---|---|---|---|---|---|
| 证券总股本 | 402.90 | 402.78 | 402.67 | 402.72 | 406.19 | 418.64 |
| 普通股本 | 402.90 | 402.78 | 402.67 | 402.72 | 406.19 | 418.64 |
| 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 | 2015-08-03 | 2015-06-30 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 |
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 |
|---|---|---|---|---|
| 2015-08-06 | 402.90 | 未披露 | 定期报告 | 2015-08-03 |
| 2015-08-06 | 402.78 | 未披露 |
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from January 1, 2015 to June 30, 2015
Release of stock for exercised stock options
|
2015-06-30 |
| 2015-03-25 | 402.67 | 未披露 |
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From December 31,2013 to December 31,2014
Acquisition of treasury stock (440,605 shares)
|
2014-12-31 |
| 2014-11-10 | 402.72 | 未披露 |
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From January 1, 2014 to September 30, 2014
Acquisition of treasury stock (440,145 shares)
|
2014-09-30 |
| 2014-08-08 | 406.19 | 未披露 |
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From January 1, 2014 to June 30, 2014
Acquisition of treasury stock (405,413 shares)
|
2014-06-30 |
| 2014-05-05 | 418.64 | 未披露 |
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from January 1, 2014 to March 31, 2014
Acquisition of treasury stock (280,869 shares)
|
2014-03-31 |
| 2014-03-19 | 434.14 | 未披露 | 定期报告 | 2014-03-03 |
| 2014-03-19 | 446.73 | 未披露 |
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From December 31,2012 to December 31,2013
Acquisition of treasury stock
|
2013-12-31 |
| 2013-11-12 | 489.92 | 未披露 | 定期报告 | 2013-11-01 |
| 2013-11-12 | 491.70 | 未披露 |
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from January 1, 2013 to September 30, 2013
Acquisition of treasury stock (284,730 shares)
|
2013-09-30 |
| 2013-08-07 | 493.62 | 未披露 | 定期报告 | 2013-08-02 |
| 2013-08-07 | 513.59 | 未披露 |
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from January 1, 2013 to June 30, 2013
Acquisition of treasury stock (65,794 shares)
|
2013-06-30 |
| 2013-05-13 | 515.40 | 未披露 |
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from January 1, 2013 to March 31,2013
Acquisition of treasury stock (47,700 shares)
|
2013-03-31 |
| 2013-03-22 | 520.17 | 未披露 |
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from December 31, 2011 to December 31, 2012
Acquisition of treasury stock (272,703 shares)
|
2012-12-31 |
| 2012-11-13 | 538.81 | 未披露 | 定期报告 | 2012-11-08 |
| 2012-11-13 | 533.93 | 未披露 |
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from January 1, 2012 to September 30, 2012
Acquisition of Treasury Stock
|
2012-09-30 |
| 2012-08-06 | 546.69 | 未披露 |
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from January 1, 2012 to June 30, 2012
Acquisition of Treasury Stock
|
2012-06-30 |
| 2011-03-18 | 547.44 | 未披露 | 定期报告 | 2011-03-05 |
| 2011-03-18 | 667.65 | 未披露 |
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from December 31 2009 to December 31 2010
Acquisition of treasury stock (53,200 shares)
|
2010-12-31 |
from January 1, 2015 to June 30, 2015
Release of stock for exercised stock options
From December 31,2013 to December 31,2014
Acquisition of treasury stock (440,605 shares)
From January 1, 2014 to September 30, 2014
Acquisition of treasury stock (440,145 shares)
From January 1, 2014 to June 30, 2014
Acquisition of treasury stock (405,413 shares)
from January 1, 2014 to March 31, 2014
Acquisition of treasury stock (280,869 shares)
From December 31,2012 to December 31,2013
Acquisition of treasury stock
from January 1, 2013 to September 30, 2013
Acquisition of treasury stock (284,730 shares)
from January 1, 2013 to June 30, 2013
Acquisition of treasury stock (65,794 shares)
from January 1, 2013 to March 31,2013
Acquisition of treasury stock (47,700 shares)
from December 31, 2011 to December 31, 2012
Acquisition of treasury stock (272,703 shares)
from January 1, 2012 to September 30, 2012
Acquisition of Treasury Stock
from January 1, 2012 to June 30, 2012
Acquisition of Treasury Stock
from December 31 2009 to December 31 2010
Acquisition of treasury stock (53,200 shares)