| 年月 | 单位：万股 |
| 2008-05 | 6.49 |
| 2008-04 | 22.15 |
| 2008-03 | 0.48 |
| 2008-02 | 25.87 |
| 2008-01 | 20.06 |
| 2007-12 | 39.78 |
| 2007-11 | 51.81 |
| 2007-10 | 41.62 |
| 2007-09 | 127.33 |
| 2007-08 | 5.13 |
| 2007-07 | 19.02 |
| 2007-06 | 18.26 |
| 2007-05 | 1.03 |
| 2007-04 | 74.93 |
| 2007-03 | 2.04 |
| 2007-02 | 17.84 |
| 2007-01 | 14.50 |
| 2006-12 | 52.00 |
| 2006-11 | 22.48 |
| 2006-10 | 132.32 |
| 2006-09 | 21.44 |
| 2006-08 | 18.85 |
| 2006-07 | 34.76 |
| 2006-06 | 69.26 |
| 2006-05 | 0.00 |
| 2006-04 | 0.00 |
| 2006-03 | 0.00 |
| 2006-02 | 0.00 |
| 2006-01 | 0.00 |
| 2005-12 | 0.00 |
| 2005-11 | 0.00 |
| 2005-10 | 0.00 |
| 2005-09 | 0.00 |
| 2005-08 | 0.00 |
| 2005-07 | 0.00 |
| 2005-06 | 0.00 |
| 2005-05 | 1.61 |
| 2005-04 | 3.19 |
| 2005-03 | 0.85 |
| 2005-02 | 0.50 |
| 2005-01 | 7.65 |
| 2004-12 | 0.00 |
| 2004-11 | 0.00 |
| 2004-10 | 0.00 |
| 2004-09 | 0.00 |
| 2004-08 | 5.29 |
| 2004-07 | 4.27 |
| 2004-05 | 6.64 |
| 2004-04 | 5.25 |
| 2004-03 | 4.83 |
| 2004-02 | 6.40 |
| 2004-01 | 10.54 |
| 2003-12 | 2.00 |
| 2003-11 | 24.51 |
| 2003-10 | 2.95 |
| 2003-09 | 2.90 |
| 2003-08 | 15.53 |
| 2003-07 | 17.43 |
| 2003-06 | 4.46 |
| 2003-05 | 1.59 |
| 2003-04 | 5.20 |
| 2003-03 | 3.18 |
| 2003-02 | 1.79 |
| 2003-01 | 2.10 |
| 2002-12 | 7.90 |
| 2002-11 | 1.58 |
| 2002-10 | 2.38 |
| 2002-09 | 53.51 |
| 2002-08 | 6.45 |
| 2002-07 | 4.05 |
| 2002-06 | 3.80 |
| 2002-05 | 5.43 |
| 2002-04 | 3.15 |
| 2002-03 | 19.00 |
| 2002-02 | 5.50 |
| 2002-01 | 4.40 |
| 2001-12 | 8.23 |
| 2001-11 | 5.55 |
| 2001-10 | 0.90 |
| 2001-09 | 0.00 |
| 2001-08 | 7.81 |
| 2001-07 | 19.48 |
| 2001-06 | 1.90 |
| 2001-05 | 5.05 |
| 2001-04 | 3.49 |
| 2001-03 | 2.56 |
| 2001-02 | 8.60 |
| 2001-01 | 16.04 |
| 2000-12 | 18.10 |
| 2000-11 | 32.22 |
| 2000-10 | 3.35 |
| 2000-09 | 9.43 |
| 2000-08 | 2.71 |
| 2000-07 | 7.90 |
| 2000-06 | 14.81 |
| 2000-05 | 5.85 |
| 2000-04 | 12.79 |
| 2000-03 | 8.40 |
| 2000-02 | 1.62 |
| 2000-01 | 0.00 |
| 1999-12 | 5.89 |
| 1999-11 | 2.19 |
| 1999-10 | 3.61 |
| 1999-09 | 13.45 |
| 1999-08 | 9.14 |
| 1999-07 | 18.30 |
| 1999-06 | 12.68 |
| 1999-05 | 3.32 |
| 1999-04 | 5.31 |
| 1999-03 | 5.48 |
| 1999-02 | 1.45 |
| 1999-01 | 3.50 |
| 1998-12 | 5.68 |
| 1998-11 | 5.90 |
| 1998-10 | 5.62 |
| 1998-09 | 5.62 |
| 1998-08 | 4.79 |
| 1998-07 | 3.40 |
| 1998-06 | 12.23 |
| 1998-05 | 9.93 |
| 1998-04 | 12.95 |
| 1998-03 | 6.40 |
| 1998-02 | 2.96 |
| 1998-01 | 4.75 |
| 1997-12 | 4.97 |
| 1997-11 | 9.74 |
| 1997-10 | 5.32 |
| 1997-09 | 4.00 |
| 1997-08 | 5.98 |
| 1997-07 | 6.20 |
| 1997-06 | 19.01 |
| 1997-05 | 23.17 |
| 1997-04 | 9.80 |
| 1997-03 | 5.58 |
| 1997-02 | 1.27 |
| 1997-01 | 6.67 |
| 1996-12 | 40301.16 |
| 1996-11 | 39695.80 |
| 1996-10 | 33343.46 |
| 1996-09 | 45721.30 |
| 1996-08 | 35503.50 |
| 1996-07 | 31667.24 |
| 1996-06 | 57028.90 |
| 1996-05 | 43971.00 |
| 1996-04 | 15070.00 |
| 1996-03 | 18560.00 |
| 1996-02 | 12268.70 |
| 1996-01 | 9815.00 |
| 1995-12 | 2300.00 |
| 1995-11 | 3000.00 |
| 1995-09 | 5000.00 |
| 1995-07 | 6000.00 |
| 1995-06 | 6898.00 |
| 1995-02 | 20000.00 |
| 1995-01 | 10050.00 |
| 1994-07 | 3.92 |
| 1994-06 | 0.88 |
| 1994-04 | 0.34 |
| 1994-03 | 2.70 |
| 1994-02 | 1.32 |
| 1994-01 | 1.83 |
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