| Month | Slider |
|---|---|
| 4/09 | 87.61 |
| 5/09 | 88.09 |
| 6/09 | 87.20 |
| 7/09 | 86.38 |
| 8/09 | 84.66 |
| 9/09 | 86.44 |
| Month | Slider | 3/10 | 85.59 |
| 5/10 | 84.90 |
| 8/10 | 86.16 |
| 9/10 | 86.93 |
| 10/10 | 87.10 |
| Month | Slider | 3/11 | 86.74 |
| 4/11 | 86.51 |
| 5/11 | 87.51 |
| 6/11 | 86.14 |
| 7/11 | 87.06 |
| 8/11 | 86.23 |
| 9/11 | 86.25 |
| 10/11 | 87.77 |
| Month | Slider | 3/12 | 87.34 |
| 4/12 | 86.78 |
| 5/12 | 87.89 |
| 6/12 | 86.93 |
| 7/12 | 85.40 |
| 8/12 | 85.68 |
| 9/12 | 84.87 |
| 10/12 | 86.11 |
| Month | Slider | 2/13 | 85.78 |
| 3/13 | 84.84 |
| 4/13 | 86.79 |
| 5/13 | 87.75 |
| 6/13 | 87.71 |