| Month | Hard |
|---|---|
| 3/12 | -2.63 |
| 4/12 | -2.40 |
| 5/12 | -2.70 |
| 6/12 | -2.66 |
| 7/12 | -2.66 |
| 8/12 | -2.71 |
| 9/12 | -2.73 |
| 10/12 | -2.73 |
| Month | Hard | 3/13 | -2.65 |
| 4/13 | -2.66 |
| 5/13 | -2.63 |
| 6/13 | -2.66 |
| 7/13 | -2.72 |
| 8/13 | -2.74 |
| 9/13 | -2.71 |
| Month | Hard | 5/14 | -2.89 |
| 6/14 | -2.90 |
| 7/14 | -2.88 |
| 8/14 | -2.87 |
| 9/14 | -2.84 |
| Month | Hard | 4/15 | -2.75 |
| 7/15 | -2.76 |
| 8/15 | -2.87 |
| 9/15 | -2.96 |
| 10/15 | -2.89 |