股本结构
单位：万股
| 公告日期 | 2022-04-29 | 2020-04-30 | 2020-04-30 | 2019-10-23 | 2018-04-30 | 2017-04-28 |
|---|---|---|---|---|---|---|
| 证券总股本 | 4827.12 | 4876.39 | 4891.26 | 4894.54 | 4918.08 | 4922.14 |
| 普通股本 | 38616.94 | 39011.16 | 39130.08 | 39156.36 | 39344.65 | 39377.10 |
| 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 | 2021-12-31 | 2020-04-22 | 2019-12-31 | 2019-09-30 | 2017-12-31 | 2016-12-31 |
注释：中概股证券总股本=普通股股本/
存托凭证比例
，当前存托凭证比例为：8
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 |
|---|---|---|---|---|
| 2022-04-29 | 38616.94 | 未披露 |
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From December 31, 2020 to December 31, 2021
Repurchase of shares, net
|
2021-12-31 |
| 2020-04-30 | 39011.16 | 未披露 | 定期报告 | 2020-04-22 |
| 2020-04-30 | 39130.08 | 未披露 |
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From December 31, 2018 to December 31, 2019
Repurchase of shares, net
|
2019-12-31 |
| 2019-10-23 | 39156.36 | 未披露 |
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from December 31, 2018 to September 30, 2019
Reissuance (Repurchase) of Shares - Net
|
2019-09-30 |
| 2018-04-30 | 39344.65 | 未披露 | 定期报告 | 2017-12-31 |
| 2017-04-28 | 39377.10 | 未披露 |
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from December 31, 2015 to December 31, 2016
Issuance of shares, net
|
2016-12-31 |
| 2016-10-26 | 39376.73 | 未披露 |
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from December 31, 2015 to September 30, 2016
Reissuance (Repurchase) of Shares - Net
|
2016-09-30 |
| 2016-04-28 | 39215.64 | 未披露 |
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from December 31, 2014 to December 31, 2015
Repurchase of shares, net
|
2015-12-31 |
| 2015-07-22 | 39333.49 | 未披露 |
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from December 31, 2014 to June 30, 2015
Reissuance (Repurchase) of Shares - Net
|
2015-06-30 |
| 2015-04-28 | 39494.49 | 未披露 | 定期报告 | 2015-04-23 |
| 2015-04-28 | 39537.99 | 未披露 |
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from December 31, 2013 to December 31, 2014
Repurchase of shares, net
|
2014-12-31 |
| 2014-04-25 | 39855.92 | 未披露 |
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from December 31, 2012 to December 31, 2013
Reserve for repurchase of shares
|
2013-12-31 |
| 2013-04-29 | 39912.75 | 未披露 |
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from December 31, 2011 to December 31, 2012
Reserve for repurchase of shares
|
2012-12-31 |
| 2012-04-30 | 39884.87 | 未披露 |
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from December 31, 2010 to December 31, 2011
Reserve for repurchase of shares
|
2011-12-31 |
| 2011-06-06 | 39918.20 | 未披露 |
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from December 31, 2009 to December 31, 2010
Reserve for repurchase of shares
|
2010-12-31 |
| 2010-06-09 | 39835.66 | 未披露 |
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from December 31, 2008 to December 31, 2009
Reserve for repurchase of shares
|
2009-12-31 |
| 2009-06-11 | 39527.39 | 未披露 |
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from December 31, 2007 to December 31, 2008
Reserve for repurchase of shares
|
2008-12-31 |
| 2008-06-11 | 39739.53 | 未披露 |
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from December 31, 2006 to December 31, 2007
Reserve for repurchase of shares
|
2007-12-31 |
| 2007-07-02 | 40000.00 | 未披露 |
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from December 31, 2005 to December 31, 2006
Issuance of common stock
|
2006-12-31 |
From December 31, 2020 to December 31, 2021
Repurchase of shares, net
From December 31, 2018 to December 31, 2019
Repurchase of shares, net
from December 31, 2018 to September 30, 2019
Reissuance (Repurchase) of Shares - Net
from December 31, 2015 to December 31, 2016
Issuance of shares, net
from December 31, 2015 to September 30, 2016
Reissuance (Repurchase) of Shares - Net
from December 31, 2014 to December 31, 2015
Repurchase of shares, net
from December 31, 2014 to June 30, 2015
Reissuance (Repurchase) of Shares - Net
from December 31, 2013 to December 31, 2014
Repurchase of shares, net
from December 31, 2012 to December 31, 2013
Reserve for repurchase of shares
from December 31, 2011 to December 31, 2012
Reserve for repurchase of shares
from December 31, 2010 to December 31, 2011
Reserve for repurchase of shares
from December 31, 2009 to December 31, 2010
Reserve for repurchase of shares
from December 31, 2008 to December 31, 2009
Reserve for repurchase of shares
from December 31, 2007 to December 31, 2008
Reserve for repurchase of shares
from December 31, 2006 to December 31, 2007
Reserve for repurchase of shares
from December 31, 2005 to December 31, 2006
Issuance of common stock