| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2008 | December | 1 | 10405 | 783 |
| 2008 | November | 1 | 10405 | 787 |
| 2008 | October | 1 | 10406 | 812 |
| 2008 | September | 1 | 10401 | 796 |
| 2008 | August | 1 | 10401 | 853 |
| 2008 | July | 1 | 10372 | 903 |
| 2008 | June | 1 | 10369 | 927 |
| 2008 | May | 1 | 10366 | 973 |
| 2008 | April | 1 | 10358 | 989 |
| 2008 | March | 1 | 10319 | 1026 |
| 2008 | February | 1 | 10232 | 1094 |