| Period | Index | Previous Year | Previous Month |
|---|---|---|---|
| June, 2009 | 87.3 | 0.1% | 0.3% |
| May, 2009 | 87.0 | 0.1% | 0.0% |
| April, 2009 | 87.0 | 0.7% | 0.0% |
| March, 2009 | 87.0 | 0.5% | -0.1% |
| February, 2009 | 87.1 | 1.0% | 0.6% |
| January, 2009 | 86.6 | 0.9% | -0.5% |
| December, 2008 | 87.0 | 1.0% | 0.2% |
| November, 2008 | 86.8 | 1.4% | -0.5% |
| October, 2008 | 87.2 | 2.5% | -0.2% |
| September, 2008 | 87.4 | 2.9% | 0.0% |