股本结构
单位：万股
| 公告日期 | 2014-08-04 | 2013-06-27 | 2013-02-13 | 2012-11-14 | 2012-08-13 | 2012-08-13 |
|---|---|---|---|---|---|---|
| 证券总股本 | 231.29 | 228.79 | 230.08 | 231.28 | 231.28 | 232.47 |
| 普通股本 | 231.29 | 228.79 | 230.08 | 231.28 | 231.28 | 232.47 |
| 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 | 2014-03-31 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-08-06 | 2012-06-30 |
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 |
|---|---|---|---|---|
| 2016-12-02 | 231.29 | 未披露 | 定期报告 | 2016-09-30 |
| 2014-08-04 | 231.29 | 未披露 |
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from March 31, 2013 to March 31, 2014
Exercise of stock options
|
2014-03-31 |
| 2013-06-27 | 228.79 | 未披露 |
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from March 31, 2012 to March 31, 2013
Repurchase of common stock
|
2013-03-31 |
| 2013-02-13 | 230.08 | 未披露 | 定期报告 | 2012-12-31 |
| 2012-11-14 | 231.28 | 未披露 | 定期报告 | 2012-09-30 |
| 2012-07-24 | 232.47 | 未披露 | 定期报告 | 2012-08-13 |
| 2012-08-13 | 231.28 | 未披露 | 定期报告 | 2012-08-06 |
| 2012-08-13 | 232.47 | 未披露 | 定期报告 | 2012-06-30 |
| 2012-06-28 | 233.64 | 未披露 |
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from March 31, 2011 to March 31, 2012
Repurchase of common stock
|
2012-03-31 |
| 2012-02-13 | 234.65 | 未披露 | 定期报告 | 2012-02-10 |
| 2012-02-13 | 236.68 | 未披露 | 定期报告 | 2011-12-31 |
| 2010-06-23 | 238.79 | 未披露 |
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from March 31, 2009 to March 31, 2010
Repurchase of common stock
|
2010-03-31 |
| 2009-06-23 | 238.71 | 未披露 | 定期报告 | 2009-06-10 |
| 2009-06-23 | 240.82 | 未披露 |
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from March 31, 2008 to March 31, 2009
Repurchase of common stock
|
2009-03-31 |
| 2008-07-08 | 248.79 | 未披露 |
更多>>
from March 31, 2007 to March 31, 2008
Issuance of common stock from the exercise of employee stock options
|
2008-03-31 |
| 2007-07-13 | 247.92 | 未披露 | 定期报告 | 2007-06-29 |
| 2007-07-13 | 247.56 | 未披露 |
更多>>
from March 31, 2006 to March 31, 2007
Issuance of common stock from the exercise of employee stock options
|
2007-03-31 |
| 2006-06-29 | 180.90 | 未披露 | 定期报告 | 2006-06-29 |
| 2006-06-29 | 169.40 | 未披露 |
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from March 31, 2005 to March 31, 2006
Issuance of common stock from the exercise of employee stock options
Stock issued in lieu of directors fees
|
2006-03-31 |
| 2005-06-29 | 165.30 | 未披露 |
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from March 31, 2004 to March 31, 2005
Fractional shares unissued from 4-for-3 split
Issuance of common stock from the exercise of employee stock options
Stock issued in lieu of directors fees
|
2005-03-31 |
| 2004-07-14 | 157.69 | 未披露 | 定期报告 | 2004-06-18 |
| 2004-07-14 | 155.29 | 未披露 |
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from March 31, 2003 to March 31, 2004
Issuance of common stock from the exercise of employee stock options
Stock issued in lieu of directors fees
Retired stock
|
2004-03-31 |
from March 31, 2013 to March 31, 2014
Exercise of stock options
from March 31, 2012 to March 31, 2013
Repurchase of common stock
from March 31, 2011 to March 31, 2012
Repurchase of common stock
from March 31, 2009 to March 31, 2010
Repurchase of common stock
from March 31, 2008 to March 31, 2009
Repurchase of common stock
from March 31, 2007 to March 31, 2008
Issuance of common stock from the exercise of employee stock options
from March 31, 2006 to March 31, 2007
Issuance of common stock from the exercise of employee stock options
from March 31, 2005 to March 31, 2006
Issuance of common stock from the exercise of employee stock options
Stock issued in lieu of directors fees
from March 31, 2004 to March 31, 2005
Fractional shares unissued from 4-for-3 split
Issuance of common stock from the exercise of employee stock options
Stock issued in lieu of directors fees
from March 31, 2003 to March 31, 2004
Issuance of common stock from the exercise of employee stock options
Stock issued in lieu of directors fees
Retired stock