| 年月 | 单位：% |
| 2006-12 | -38.20 |
| 2006-11 | -42.10 |
| 2006-10 | -41.80 |
| 2006-09 | -40.20 |
| 2006-08 | -40.80 |
| 2006-07 | -42.20 |
| 2006-06 | -30.90 |
| 2006-05 | -33.20 |
| 2006-04 | -34.30 |
| 2006-03 | -17.50 |
| 2006-02 | -17.40 |
| 2006-01 | -42.70 |
| 2005-12 | 12.90 |
| 2005-11 | 10.00 |
| 2005-10 | 10.70 |
| 2005-09 | 16.90 |
| 2005-08 | 16.10 |
| 2005-07 | 17.80 |
| 2005-06 | 0.20 |
| 2005-05 | -4.30 |
| 2005-04 | -0.90 |
| 2005-03 | -15.70 |
| 2005-02 | 23.00 |
| 2005-01 | -30.00 |
| 2004-12 | -34.70 |
| 2004-11 | -36.50 |
| 2004-10 | -34.60 |
| 2004-09 | -37.30 |
| 2004-08 | -37.30 |
| 2004-07 | -37.70 |
| 2004-06 | -37.00 |
| 2004-05 | -35.70 |
| 2004-04 | -35.70 |
| 2004-03 | -47.40 |
| 2004-02 | -45.10 |
| 2004-01 | 131.40 |
| 2003-12 | -14.20 |
| 2003-11 | -10.30 |
| 2003-10 | -15.00 |
| 2003-09 | -16.10 |
| 2003-08 | -16.30 |
| 2003-07 | -15.90 |
| 2003-06 | -16.90 |
| 2003-05 | -24.80 |
| 2003-04 | -29.90 |
| 2003-03 | 26.50 |
| 2003-02 | -4.60 |
| 2003-01 | -17.90 |
| 2002-12 | -38.20 |
| 2002-11 | -37.20 |
| 2002-10 | -34.20 |
| 2002-09 | -32.80 |
| 2002-08 | -32.40 |
| 2002-07 | -31.50 |
| 2002-06 | -29.90 |
| 2002-05 | -27.50 |
| 2002-04 | -19.40 |
| 2002-03 | -47.20 |
| 2002-02 | 41.30 |
| 2002-01 | -72.00 |
| 2001-12 | -33.60 |
| 2001-11 | -36.40 |
| 2001-10 | -39.70 |
| 2001-09 | -38.80 |
| 2001-08 | -39.10 |
| 2001-07 | -39.60 |
| 2001-06 | -40.60 |
| 2001-05 | -40.90 |
| 2001-04 | -33.70 |
| 2001-03 | -35.90 |
| 2001-02 | -64.30 |
| 2001-01 | 141.00 |
| 2000-12 | 16.10 |
| 2000-11 | 31.30 |
| 2000-10 | 47.80 |
| 2000-09 | 45.50 |
| 2000-08 | 47.90 |
| 2000-07 | 49.90 |
| 2000-06 | 55.20 |
| 2000-05 | 64.60 |
| 2000-04 | 52.00 |
| 2000-03 | 56.70 |
| 2000-02 | 72.40 |
| 2000-01 | -58.10 |
| 1999-12 | -27.90 |
| 1999-11 | -30.80 |
| 1999-10 | -38.90 |
| 1999-09 | -38.80 |
| 1999-08 | -39.40 |
| 1999-07 | -39.40 |
| 1999-06 | -39.30 |
| 1999-05 | -37.50 |
| 1999-04 | -42.00 |
| 1999-03 | -38.80 |
| 1999-02 | -47.40 |
| 1999-01 | -64.60 |
| 1998-12 | -49.60 |
| 1998-11 | -52.20 |
| 1998-10 | -51.30 |
| 1998-09 | -51.00 |
| 1998-08 | -50.30 |
| 1998-07 | -48.40 |
| 1998-06 | -49.60 |
| 1998-05 | -54.20 |
| 1998-04 | -56.40 |
| 1998-03 | -59.20 |
| 1998-02 | -35.00 |
| 1998-01 | -19.50 |
前瞻产业研究院 咨询·服务