| 年月 | 单位：亿元 |
| 2008-05 | 18.10 |
| 2008-04 | 27.60 |
| 2008-03 | 13.82 |
| 2008-02 | 10.64 |
| 2008-01 | 15.86 |
| 2007-12 | 14.60 |
| 2007-11 | 13.32 |
| 2007-10 | 18.76 |
| 2007-09 | 15.26 |
| 2007-08 | 18.10 |
| 2007-07 | 15.00 |
| 2007-06 | 34.52 |
| 2007-05 | 25.80 |
| 2007-04 | 17.14 |
| 2007-03 | 11.65 |
| 2007-02 | 13.62 |
| 2007-01 | 15.73 |
| 2006-12 | 12.30 |
| 2006-11 | 6.53 |
| 2006-10 | 4.25 |
| 2006-09 | 2.45 |
| 2006-08 | 1.85 |
| 2006-07 | 2.40 |
| 2006-06 | 3.77 |
| 2006-05 | 5.25 |
| 2006-04 | 3.43 |
| 2006-03 | 2.04 |
| 2006-02 | 3.65 |
| 2006-01 | 3.16 |
| 2005-12 | 2.60 |
| 2005-11 | 2.42 |
| 2005-10 | 1.80 |
| 2005-09 | 1.77 |
| 2005-08 | 4.51 |
| 2005-07 | 2.48 |
| 2005-06 | 3.29 |
| 2005-05 | 1.84 |
| 2005-04 | 2.58 |
| 2005-03 | 2.20 |
| 2005-02 | 2.15 |
| 2005-01 | 0.31 |
| 2004-12 | 0.51 |
| 2004-11 | 0.66 |
| 2004-10 | 0.60 |
| 2004-09 | 0.91 |
| 2004-08 | 0.34 |
| 2004-07 | 0.34 |
| 2004-05 | 0.76 |
| 2004-04 | 1.28 |
| 2004-03 | 2.11 |
| 2004-02 | 2.21 |
| 2004-01 | 2.52 |
| 2003-12 | 2.41 |
| 2003-11 | 1.09 |
| 2003-10 | 0.55 |
| 2003-09 | 0.51 |
| 2003-08 | 0.52 |
| 2003-07 | 1.06 |
| 2003-06 | 1.96 |
| 2003-05 | 1.82 |
| 2003-04 | 3.25 |
| 2003-03 | 1.01 |
| 2003-02 | 1.54 |
| 2003-01 | 2.23 |
| 2002-12 | 1.13 |
| 2002-11 | 1.63 |
| 2002-10 | 1.43 |
| 2002-09 | 1.51 |
| 2002-08 | 1.28 |
| 2002-07 | 1.71 |
| 2002-06 | 4.96 |
| 2002-05 | 1.20 |
| 2002-04 | 2.36 |
| 2002-03 | 5.32 |
| 2002-02 | 3.40 |
| 2002-01 | 2.81 |
| 2001-12 | 2.58 |
| 2001-11 | 4.12 |
| 2001-10 | 5.66 |
| 2001-09 | 5.51 |
| 2001-08 | 3.87 |
| 2001-07 | 5.38 |
| 2001-06 | 6.53 |
| 2001-05 | 8.99 |
| 2001-04 | 11.17 |
| 2001-03 | 5.65 |
| 2001-02 | 2.72 |
| 2001-01 | 5.16 |
| 2000-12 | 5.73 |
| 2000-11 | 3.48 |
| 2000-10 | 2.07 |
| 2000-09 | 2.02 |
| 2000-08 | 5.87 |
| 2000-07 | 5.48 |
| 2000-06 | 2.45 |
| 2000-05 | 2.30 |
| 2000-04 | 3.33 |
| 2000-03 | 7.30 |
| 2000-02 | 14.10 |
| 2000-01 | 6.83 |
| 1999-12 | 2.18 |
| 1999-11 | 3.00 |
| 1999-10 | 3.78 |
| 1999-09 | 2.62 |
| 1999-08 | 3.00 |
| 1999-07 | 8.02 |
| 1999-06 | 10.60 |
| 1999-05 | 3.50 |
| 1999-04 | 1.09 |
| 1999-03 | 0.83 |
| 1999-02 | 0.58 |
| 1999-01 | 0.86 |
| 1998-12 | 0.76 |
| 1998-11 | 1.27 |
| 1998-10 | 0.82 |
| 1998-09 | 1.62 |
| 1998-08 | 2.08 |
| 1998-07 | 1.58 |
| 1998-06 | 1.84 |
| 1998-05 | 4.44 |
| 1998-04 | 3.57 |
| 1998-03 | 0.00 |
| 1998-02 | 0.00 |
| 1998-01 | 0.00 |
| 1997-12 | 0.00 |
| 1997-11 | 0.00 |
| 1997-10 | 0.00 |
| 1997-09 | 0.00 |
| 1997-08 | 0.00 |
| 1997-07 | 0.00 |
| 1997-06 | 0.00 |
| 1997-05 | 0.00 |
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