| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2008 | July | 1 | 9522 | 931 |
| 2008 | June | 1 | 9559 | 946 |
| 2008 | May | 1 | 9559 | 983 |
| 2008 | April | 1 | 9633 | 970 |
| 2008 | March | 1 | 9678 | 957 |
| 2008 | February | 1 | 9693 | 925 |
| 2008 | January | 1 | 9695 | 932 |
| 2007 | December | 1 | 9725 | 915 |
| 2007 | November | 1 | 9756 | 920 |
| 2007 | October | 1 | 9811 | 917 |
| 2007 | September | 1 | 9909 | 907 |
| 2007 | August | 1 | 9933 | 878 |