| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2008 | December | 1 | 10321 | 896 |
| 2008 | November | 1 | 10321 | 901 |
| 2008 | October | 1 | 10321 | 929 |
| 2008 | September | 1 | 10317 | 903 |
| 2008 | August | 1 | 10317 | 964 |
| 2008 | July | 1 | 10316 | 971 |
| 2008 | June | 1 | 10313 | 1003 |
| 2008 | May | 1 | 10314 | 1041 |
| 2008 | April | 1 | 10226 | 1137 |
| 2008 | January | 1 | 9952 | 1230 |
| 2007 | December | 1 | 9952 | 1241 |
| 2007 | November | 1 | 9955 | 1254 |
| 2007 | October | 1 | 9956 | 1278 |
| 2007 | September | 1 | 9946 | 1284 |
| 2007 | August | 1 | 9949 | 1262 |
| 2007 | July | 1 | 9944 | 1232 |