| Period | Index | Previous Year | Previous Month |
|---|---|---|---|
| October, 2012 | 92.2 | 2.0% | 0.0% |
| September, 2012 | 92.2 | 2.1% | 0.1% |
| August, 2012 | 92.1 | 2.1% | 0.4% |
| July, 2012 | 91.7 | 1.8% | 0.3% |
| June, 2012 | 91.4 | 1.7% | -0.1% |
| May, 2012 | 91.5 | 1.9% | -0.1% |
| April, 2012 | 91.6 | 2.0% | -0.1% |
| March, 2012 | 91.7 | 2.1% | 0.5% |
| February, 2012 | 91.2 | 2.1% | 0.7% |
| January, 2012 | 90.6 | 2.1% | -0.1% |