| 季度 | 单位：% |
| 2010-12 | 17.60 |
| 2010-09 | 4.50 |
| 2010-06 | 10.30 |
| 2010-03 | 4.50 |
| 2009-12 | 1.10 |
| 2009-09 | 1.70 |
| 2009-06 | -2.90 |
| 2009-03 | -7.90 |
| 2008-12 | 23.70 |
| 2008-09 | 19.50 |
| 2008-06 | 4.20 |
| 2008-03 | -5.60 |
| 2007-12 | 10.50 |
| 2007-09 | 6.40 |
| 2007-06 | -7.60 |
| 2007-03 | -3.90 |
| 2006-12 | 12.50 |
| 2006-09 | 8.00 |
| 2006-06 | 2.70 |
| 2006-03 | 2.70 |
| 2005-12 | 15.60 |
| 2005-09 | 6.50 |
| 2005-06 | 20.70 |
| 2005-03 | 6.60 |
| 2004-12 | -13.60 |
| 2004-09 | -10.00 |
| 2004-06 | 5.00 |
| 2004-03 | -3.40 |
| 2003-12 | 47.60 |
| 2003-09 | 64.30 |
| 2003-06 | 83.30 |
| 2003-03 | 10.50 |
| 2002-12 | 4.90 |
| 2002-09 | -6.50 |
| 2002-06 | 12.40 |
| 2002-03 | 12.10 |
| 2001-12 | -7.70 |
| 2001-09 | -7.10 |
| 2001-06 | -2.30 |
| 2001-03 | -12.60 |
| 2000-12 | 20.00 |
| 2000-09 | 16.00 |
| 2000-06 | 22.00 |
| 1999-12 | 9.80 |
| 1999-09 | 12.20 |
| 1999-06 | 7.30 |
| 1999-03 | -9.80 |
| 1998-12 | -5.90 |
| 1998-09 | 2.60 |
| 1998-06 | 27.50 |
| 1998-03 | 6.80 |
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