| Period | Index | Previous Year | Previous Month |
|---|---|---|---|
| August, 2018 | 98.8 | 1.9% | 0.1% |
| July, 2018 | 98.7 | 1.9% | 0.4% |
| June, 2018 | 98.3 | 1.9% | 0.1% |
| May, 2018 | 98.2 | 2.1% | 0.7% |
| April, 2018 | 97.5 | 1.4% | 0.3% |
| March, 2018 | 97.2 | 1.5% | 0.5% |
| February, 2018 | 96.7 | 1.2% | 0.3% |
| January, 2018 | 96.4 | 1.4% | -0.5% |
| December, 2017 | 96.9 | 1.4% | 0.4% |
| November, 2017 | 96.5 | 1.6% | -0.4% |