| Month / Year | 2007 / 2008 | 2008 / 2009 | 2009 / 2010 |
|---|---|---|---|
| Sep | 33.0 | 74.0 | 30.0 |
| Oct | 38.0 | 46.0 | 86.0 |
| Nov | 55.0 | 68.5 | 52.5 |
| Dec | 47.0 | 63.5 | 81.5 |
| Jan | 120.5 | 42.0 | 63.5 |
| Feb | 17.0 | 53.5 | 63.0 |
| Mar | 64.0 | 21.5 | 38.5 |
| Apr | 73.0 | 13.5 | 19.5 |
| May | 13.5 | 32.0 | 8.0 |
| Jun | 63.5 | 14.0 | 41.0 |
| Jul | 67.0 | 103.0 | 17.5 |
| Aug | 118.0 | 38.0 | 27.5 |