| 年月 | 单位：万股 |
| 2008-05 | 24.84 |
| 2008-04 | 29.99 |
| 2008-03 | 38.35 |
| 2008-02 | 30.00 |
| 2008-01 | 56.63 |
| 2007-12 | 129.19 |
| 2007-11 | 82.71 |
| 2007-10 | 83.76 |
| 2007-09 | 259.15 |
| 2007-08 | 28.36 |
| 2007-07 | 28.22 |
| 2007-06 | 44.35 |
| 2007-05 | 22.50 |
| 2007-04 | 156.94 |
| 2007-03 | 17.69 |
| 2007-02 | 25.29 |
| 2007-01 | 31.30 |
| 2006-12 | 213.92 |
| 2006-11 | 61.68 |
| 2006-10 | 555.21 |
| 2006-09 | 100.23 |
| 2006-08 | 29.42 |
| 2006-07 | 37.82 |
| 2006-06 | 400.21 |
| 2006-05 | 9.89 |
| 2006-04 | 23.00 |
| 2006-03 | 20.58 |
| 2006-02 | 3.97 |
| 2006-01 | 3.35 |
| 2005-12 | 40.50 |
| 2005-11 | 1.47 |
| 2005-10 | 266.24 |
| 2005-09 | 2.37 |
| 2005-08 | 35.16 |
| 2005-07 | 5.18 |
| 2005-06 | 113.94 |
| 2005-05 | 1.61 |
| 2005-04 | 84.00 |
| 2005-03 | 3.33 |
| 2005-02 | 15.43 |
| 2005-01 | 26.13 |
| 2004-12 | 396.44 |
| 2004-11 | 10.69 |
| 2004-10 | 1.77 |
| 2004-09 | 0.69 |
| 2004-08 | 8.68 |
| 2004-07 | 119.54 |
| 2004-05 | 610.58 |
| 2004-04 | 20.34 |
| 2004-03 | 18.62 |
| 2004-02 | 109.64 |
| 2004-01 | 100.21 |
| 2003-12 | 1161.35 |
| 2003-11 | 440.98 |
| 2003-10 | 198.58 |
| 2003-09 | 33.72 |
| 2003-08 | 17.34 |
| 2003-07 | 43.46 |
| 2003-06 | 96.10 |
| 2003-05 | 2.05 |
| 2003-04 | 9.92 |
| 2003-03 | 3.74 |
| 2003-02 | 158.73 |
| 2003-01 | 25.12 |
| 2002-12 | 53.12 |
| 2002-11 | 100.08 |
| 2002-10 | 10.10 |
| 2002-09 | 54.69 |
| 2002-08 | 8.68 |
| 2002-07 | 7.47 |
| 2002-06 | 330.15 |
| 2002-05 | 119.49 |
| 2002-04 | 5.80 |
| 2002-03 | 23.70 |
| 2002-02 | 10.58 |
| 2002-01 | 6.10 |
| 2001-12 | 46.32 |
| 2001-11 | 8.89 |
| 2001-10 | 1.87 |
| 2001-09 | 3.53 |
| 2001-08 | 8.14 |
| 2001-07 | 19.48 |
| 2001-06 | 1.90 |
| 2001-05 | 8.87 |
| 2001-04 | 11.48 |
| 2001-03 | 18.52 |
| 2001-02 | 17.72 |
| 2001-01 | 21.47 |
| 2000-12 | 29.12 |
| 2000-11 | 35.33 |
| 2000-10 | 177.70 |
| 2000-09 | 20.16 |
| 2000-08 | 6.92 |
| 2000-07 | 18.60 |
| 2000-06 | 19.79 |
| 2000-05 | 6.36 |
| 2000-04 | 206.59 |
| 2000-03 | 11.20 |
| 2000-02 | 3.54 |
| 2000-01 | 4.51 |
| 1999-12 | 14.71 |
| 1999-11 | 6.62 |
| 1999-10 | 6.66 |
| 1999-09 | 18.20 |
| 1999-08 | 13.75 |
| 1999-07 | 23.38 |
| 1999-06 | 27.99 |
| 1999-05 | 5.05 |
| 1999-04 | 9.37 |
| 1999-03 | 11.05 |
| 1999-02 | 4.51 |
| 1999-01 | 9.47 |
| 1998-12 | 10.38 |
| 1998-11 | 8.12 |
| 1998-10 | 12.05 |
| 1998-09 | 12.78 |
| 1998-08 | 11.75 |
| 1998-07 | 7.12 |
| 1998-06 | 16.92 |
| 1998-05 | 13.22 |
| 1998-04 | 30.56 |
| 1998-03 | 13.00 |
| 1998-02 | 4.21 |
| 1998-01 | 25.10 |
| 1997-12 | 4.97 |
| 1997-11 | 9.74 |
| 1997-10 | 24.72 |
| 1997-09 | 15.08 |
| 1997-08 | 6.78 |
| 1997-07 | 28.83 |
| 1997-06 | 57.40 |
| 1997-05 | 52.63 |
| 1997-04 | 9.80 |
| 1997-03 | 27.36 |
| 1997-02 | 16.94 |
| 1997-01 | 8.17 |
| 1996-12 | 63301.16 |
| 1996-11 | 88996.80 |
| 1996-10 | 74343.46 |
| 1996-09 | 55721.30 |
| 1996-08 | 95503.50 |
| 1996-07 | 85302.44 |
| 1996-06 | 82028.90 |
| 1996-05 | 51971.00 |
| 1996-04 | 30070.00 |
| 1996-03 | 195890.00 |
| 1996-02 | 28268.70 |
| 1996-01 | 9815.00 |
| 1995-12 | 8300.00 |
| 1995-11 | 8000.00 |
| 1995-10 | 11000.00 |
| 1995-09 | 33400.00 |
| 1995-08 | 6800.00 |
| 1995-07 | 35800.00 |
| 1995-06 | 26898.00 |
| 1995-05 | 110850.00 |
| 1995-04 | 45000.00 |
| 1995-02 | 20000.00 |
| 1995-01 | 10050.00 |
| 1994-12 | 13.29 |
| 1994-11 | 14.04 |
| 1994-10 | 2.00 |
| 1994-09 | 1.20 |
| 1994-08 | 5.25 |
| 1994-07 | 6.42 |
| 1994-06 | 2.58 |
| 1994-05 | 3.40 |
| 1994-04 | 1.17 |
| 1994-03 | 14.13 |
| 1994-02 | 1.32 |
| 1994-01 | 3.28 |
| 1993-12 | 2.73 |
| 1993-11 | 20.03 |
| 1993-10 | 1.50 |
| 1993-09 | 0.50 |
| 1993-08 | 2.75 |
| 1993-07 | 20.76 |
| 1993-06 | 1.83 |
| 1993-05 | 1.95 |
| 1993-03 | 0.15 |
| 1992-12 | 0.68 |
| 1992-08 | 0.29 |
| 1992-07 | 1.95 |
| 1992-06 | 5.42 |
| 1992-04 | 0.70 |
| 1992-03 | 0.55 |
| 1992-02 | 0.16 |
| 1992-01 | 1.00 |
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