股本结构
单位：万股
| 公告日期 | 2019-07-29 | 2019-04-29 | 2017-05-01 | 2017-02-13 | 2013-08-05 | 2010-02-22 |
|---|---|---|---|---|---|---|
| 证券总股本 | 510.73 | 517.35 | 510.73 | 510.73 | 510.62 | 510.59 |
| 普通股本 | 510.73 | 517.35 | 510.73 | 510.73 | 510.62 | 510.59 |
| 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 | 2019-04-26 | 2019-03-31 | 2017-03-31 | 2017-01-31 | 2013-06-30 | 2009-12-31 |
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 |
|---|---|---|---|---|
| 2019-07-29 | 510.73 | 未披露 | 定期报告 | 2019-04-26 |
| 2019-04-29 | 517.35 | 未披露 | 定期报告 | 2019-03-31 |
| 2017-05-01 | 510.73 | 未披露 | 定期报告 | 2017-03-31 |
| 2017-02-13 | 510.73 | 未披露 | 定期报告 | 2017-01-31 |
| 2013-08-05 | 510.62 | 未披露 | 定期报告 | 2013-06-30 |
| 2010-02-22 | 510.59 | 未披露 |
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from December 31, 2008 to December 31, 2009
Common shares issued under option plan
|
2009-12-31 |
| 2009-02-23 | 509.16 | 未披露 |
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from December 31, 2007 to December 31, 2008
Common shares issued under share option plan
|
2008-12-31 |
| 2008-02-25 | 504.40 | 未披露 |
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from January 1, 2007 to December 31, 2007
Common shares issued under share option plan
|
2007-12-31 |
| 2007-02-26 | 503.60 | 未披露 |
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from December 31, 2005 to December 31, 2006
Common shares issued under share option plan
|
2006-12-31 |
| 2006-02-27 | 502.40 | 未披露 | 定期报告 | 2006-02-01 |
| 2006-02-27 | 517.35 | 未披露 |
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from December 31, 2004 to December 31, 2005
Common shares issued under share option plan
|
2005-12-31 |
| 2005-02-25 | 501.39 | 未披露 |
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from December 31, 2003 to December 31, 2004
Common shares issued under share option plan
|
2004-12-31 |
| 1995-03-31 | 500.09 | 未披露 | 定期报告 | 1995-03-16 |
| 1995-03-31 | 517.35 | 未披露 |
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from JULY 25, 1991 to JULY 25, 1992
Issuance of treasury stock
|
1992-07-25 |
from December 31, 2008 to December 31, 2009
Common shares issued under option plan
from December 31, 2007 to December 31, 2008
Common shares issued under share option plan
from January 1, 2007 to December 31, 2007
Common shares issued under share option plan
from December 31, 2005 to December 31, 2006
Common shares issued under share option plan
from December 31, 2004 to December 31, 2005
Common shares issued under share option plan
from December 31, 2003 to December 31, 2004
Common shares issued under share option plan
from JULY 25, 1991 to JULY 25, 1992
Issuance of treasury stock