| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2008 | September | 1 | 9458 | 891 |
| 2008 | August | 1 | 9483 | 955 |
| 2008 | July | 1 | 9509 | 934 |
| 2008 | June | 1 | 9573 | 941 |
| 2008 | May | 1 | 9573 | 977 |
| 2008 | April | 1 | 9612 | 972 |
| 2008 | March | 1 | 9650 | 961 |
| 2008 | February | 1 | 9701 | 922 |
| 2008 | January | 1 | 9749 | 919 |
| 2007 | December | 1 | 9750 | 910 |
| 2007 | November | 1 | 9781 | 916 |
| 2007 | October | 1 | 9954 | 895 |