| Period | Index | Previous Year | Previous Month |
|---|---|---|---|
| February, 2006 | 82.4 | 1.9% | 0.5% |
| January, 2006 | 82.0 | 1.7% | -0.4% |
| December, 2005 | 82.3 | 1.4% | 0.7% |
| November, 2005 | 81.7 | 1.7% | -0.2% |
| October, 2005 | 81.9 | 1.9% | 0.0% |
| September, 2005 | 81.9 | 2.0% | 0.1% |
| August, 2005 | 81.8 | 1.6% | 0.1% |
| July, 2005 | 81.7 | 1.6% | 0.5% |
| June, 2005 | 81.3 | 1.2% | 0.1% |
| May, 2005 | 81.2 | 1.1% | 0.2% |