| 季度 | 单位：上年同期=100 |
| 2007-12 | 102.60 |
| 2007-09 | 101.70 |
| 2007-06 | 101.10 |
| 2007-03 | 99.40 |
| 2006-12 | 100.40 |
| 2006-09 | 99.50 |
| 2006-06 | 100.00 |
| 2006-03 | 100.00 |
| 2005-12 | 101.60 |
| 2005-09 | 98.70 |
| 2005-06 | 101.90 |
| 2005-03 | 97.50 |
| 2004-12 | 102.20 |
| 2004-09 | 100.40 |
| 2004-06 | 100.20 |
| 2004-03 | 99.90 |
| 2003-12 | 98.20 |
| 2003-09 | 99.00 |
| 2003-06 | 102.20 |
| 2003-03 | 102.50 |
| 2002-12 | 100.40 |
| 2002-09 | 100.80 |
| 2002-06 | 102.30 |
| 2002-03 | 99.30 |
| 2001-12 | 99.60 |
| 2001-09 | 97.90 |
| 2001-06 | 101.20 |
| 2001-03 | 97.90 |
| 2000-12 | 99.80 |
| 2000-09 | 97.70 |
| 2000-06 | 99.50 |
| 2000-03 | 101.40 |
| 1999-12 | 99.00 |
| 1999-09 | 98.80 |
| 1999-06 | 98.10 |
| 1999-03 | 100.20 |
| 1998-12 | 97.80 |
| 1998-09 | 100.30 |
| 1998-06 | 100.90 |
| 1998-03 | 103.60 |
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