股本结构
单位：万股
| 公告日期 | 2015-04-30 | 2012-04-30 | 2009-06-24 | 2008-06-30 | 2007-06-29 | 2006-06-30 |
|---|---|---|---|---|---|---|
| 证券总股本 | 128392.82 | 124606.82 | 124527.55 | 124523.82 | 124216.35 | 127223.53 |
| 普通股本 | 64196.41 | 62303.41 | 62263.78 | 62261.91 | 62108.17 | 63611.77 |
| 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 | 2014-12-31 | 2011-12-31 | 2008-12-31 | 2007-12-31 | 2006-12-31 | 2005-12-31 |
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：0.5
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 |
|---|---|---|---|---|
| 2015-04-30 | 64196.41 | 未披露 |
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from December 31, 2013 to December 31, 2014
Disposal of treasury stocks
|
2014-12-31 |
| 2012-04-30 | 62303.41 | 未披露 |
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from January 1, 2011 to December 31, 2011
Increased shares issued
|
2011-12-31 |
| 2009-06-24 | 62263.78 | 未披露 | 定期报告 | 2008-12-31 |
| 2008-06-30 | 62261.91 | 未披露 | 定期报告 | 2007-12-31 |
| 2007-06-29 | 62108.17 | 未披露 | 定期报告 | 2006-12-31 |
| 2006-06-30 | 63611.77 | 未披露 |
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from January 1, 2005 to December 31, 2005
Issuance of common stock for non-cash assets
|
2005-12-31 |
| 2005-06-30 | 62970.05 | 未披露 | 定期报告 | 2004-12-31 |
| 2004-06-30 | 63003.55 | 未披露 |
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from December 31, 2002 to December 31, 2003
Capital increase
|
2003-12-31 |
| 2003-06-27 | 63918.75 | 未披露 | 定期报告 | 2002-12-31 |
| 2003-06-27 | 63896.68 | 未披露 | 定期报告 | 2001-12-31 |
from December 31, 2013 to December 31, 2014
Disposal of treasury stocks
from January 1, 2011 to December 31, 2011
Increased shares issued
from January 1, 2005 to December 31, 2005
Issuance of common stock for non-cash assets
from December 31, 2002 to December 31, 2003
Capital increase