| Month | Curve |
|---|---|
| 7/10 | 77.69 |
| 8/10 | 78.20 |
| 9/10 | 79.26 |
| Month | Curve | 3/11 | 78.70 |
| 4/11 | 79.15 |
| 5/11 | 79.98 |
| 6/11 | 80.25 |
| 7/11 | 80.56 |
| 9/11 | 79.07 |
| Month | Curve | 4/12 | 79.84 |
| 5/12 | 80.05 |
| 6/12 | 79.26 |
| 7/12 | 81.42 |
| 8/12 | 80.91 |
| 9/12 | 80.45 |
| Month | Curve | 4/13 | 81.51 |
| 5/13 | 79.55 |
| 6/13 | 80.06 |
| 7/13 | 79.76 |
| 8/13 | 79.79 |
| 9/13 | 80.66 |