股本结构
单位：万股
| 公告日期 | 2020-08-13 | 2019-03-28 | 2018-03-29 | 2017-03-24 | 2016-08-15 | 2016-08-15 |
|---|---|---|---|---|---|---|
| 证券总股本 | 101.68 | 101.33 | 101.33 | 100.24 | 100.24 | 101.71 |
| 普通股本 | 101.68 | 101.33 | 101.33 | 100.24 | 100.24 | 101.71 |
| 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 | 2020-06-30 | 2018-03-31 | 2018-03-29 | 2016-12-31 | 2016-08-12 | 2016-06-30 |
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 |
|---|---|---|---|---|
| 2020-08-13 | 101.68 | 未披露 |
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from March 31, 2020 to June 30, 2020
Purchased treasury shares
Retirement of 6,044 treasury shares
|
2020-06-30 |
| 2019-03-28 | 1051.64 | 未披露 | 定期报告 | 2019-03-25 |
| 2019-03-28 | 101.33 | 未披露 |
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from December 31, 2017 to March 31, 2018
Stock options exercised, net of 1,600 re-load shares
|
2018-03-31 |
| 2018-03-29 | 101.33 | 未披露 | 定期报告 | 2018-03-29 |
| 2017-03-24 | 100.24 | 未披露 |
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from December 31, 2015 to December 31, 2016
Treasury shares retired
Purchase of treasury stock
|
2016-12-31 |
| 2016-08-15 | 100.24 | 未披露 | 定期报告 | 2016-08-12 |
| 2016-08-15 | 101.71 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-05-13 | 103.55 | 未披露 | 定期报告 | 2016-05-13 |
| 2016-05-13 | 101.71 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-03-23 | 103.55 | 未披露 |
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from December 31, 2014 to September 30, 2015
Purchase of treasury stock
|
2015-09-30 |
| 2015-08-14 | 103.97 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-05-15 | 104.20 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-03-31 | 104.26 | 未披露 | 定期报告 | 2015-03-23 |
| 2015-03-31 | 105.31 | 未披露 |
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From December 31,2013 to December 31,2014
Stock options exercised
Purchase of treasury stock
|
2014-12-31 |
| 2014-03-10 | 104.89 | 未披露 |
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from December 31, 2012 to December 31, 2013
Treasury stock retired
Stock options exercised
|
2013-12-31 |
| 2013-11-08 | 104.09 | 未披露 | 定期报告 | 2013-09-30 |
| 2013-08-06 | 103.39 | 未披露 | 定期报告 | 2013-08-06 |
| 2013-03-22 | 97.45 | 未披露 | 定期报告 | 2013-03-22 |
| 2013-03-22 | 95.60 | 未披露 |
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from December 31, 2011 to December 31, 2012
Treasury stock retired
Purchase of treasury stock
|
2012-12-31 |
| 2012-11-14 | 99.23 | 未披露 | 定期报告 | 2012-11-14 |
| 2012-11-14 | 97.88 | 未披露 | 定期报告 | 2012-09-30 |
| 2012-08-30 | 99.23 | 未披露 | 定期报告 | 2012-08-23 |
| 2012-03-30 | 101.04 | 未披露 | 定期报告 | 2012-03-30 |
| 2012-03-30 | 118.65 | 未披露 | 定期报告 | 2011-12-31 |
| 2011-03-31 | 101.04 | 未披露 |
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from December 31, 2009 to November 12, 2010
Purchase of treasury stock
|
2010-11-12 |
| 2010-03-31 | 102.14 | 未披露 | 定期报告 | 2010-03-31 |
| 2010-03-31 | 131.50 | 未披露 |
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from December 31, 2008 to December 31, 2009
Retirement of treasury stock
Purchase of treasury stock
|
2009-12-31 |
| 2009-03-31 | 102.26 | 未披露 |
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from December 31, 2007 to December 31, 2008
Purchase of treasury stock
|
2008-12-31 |
| 2007-03-30 | 102.40 | 未披露 |
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from December 31, 2005 to March 20, 2006
Purchased 49,080 shares of treasury stock at $14 per share
|
2006-03-20 |
| 2006-03-31 | 107.30 | 未披露 |
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From December 31, 2004 to December 31, 2005
Repayment of Note receivable from exercise of Stock Options & Stock Option Reload
|
2005-12-31 |
| 2001-03-30 | 108.91 | 未披露 |
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From December 31, 1999 to December 31, 2000
Shares issued on exercise of stock options
Acquired 61,500 shares of treasury stock
|
2000-12-31 |
| 2000-03-30 | 104.02 | 未披露 | 定期报告 | 2000-03-24 |
| 2000-03-30 | 109.61 | 未披露 |
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From December 31, 1998 to December 31, 1999
Purchased 19,600 shares of treasury stock
|
1999-12-31 |
| 1999-03-30 | 110.02 | 未披露 |
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From December 31, 1997 to December 31, 1998
Purchased 66,600 shares of treasury stock
|
1998-12-31 |
| 1996-04-01 | 116.68 | 未披露 | 定期报告 | 1995-12-31 |
from March 31, 2020 to June 30, 2020
Purchased treasury shares
Retirement of 6,044 treasury shares
from December 31, 2017 to March 31, 2018
Stock options exercised, net of 1,600 re-load shares
from December 31, 2015 to December 31, 2016
Treasury shares retired
Purchase of treasury stock
from December 31, 2014 to September 30, 2015
Purchase of treasury stock
From December 31,2013 to December 31,2014
Stock options exercised
Purchase of treasury stock
from December 31, 2012 to December 31, 2013
Treasury stock retired
Stock options exercised
from December 31, 2011 to December 31, 2012
Treasury stock retired
Purchase of treasury stock
from December 31, 2009 to November 12, 2010
Purchase of treasury stock
from December 31, 2008 to December 31, 2009
Retirement of treasury stock
Purchase of treasury stock
from December 31, 2007 to December 31, 2008
Purchase of treasury stock
from December 31, 2005 to March 20, 2006
Purchased 49,080 shares of treasury stock at $14 per share
From December 31, 2004 to December 31, 2005
Repayment of Note receivable from exercise of Stock Options & Stock Option Reload
From December 31, 1999 to December 31, 2000
Shares issued on exercise of stock options
Acquired 61,500 shares of treasury stock
From December 31, 1998 to December 31, 1999
Purchased 19,600 shares of treasury stock
From December 31, 1997 to December 31, 1998
Purchased 66,600 shares of treasury stock