| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2009 | July | 1 | 10373 | 840 |
| 2009 | June | 1 | 10369 | 827 |
| 2008 | December | 1 | 10372 | 831 |
| 2008 | November | 1 | 10372 | 836 |
| 2008 | October | 1 | 10368 | 866 |
| 2008 | September | 1 | 10329 | 889 |
| 2008 | August | 1 | 10329 | 950 |
| 2008 | July | 1 | 10326 | 956 |
| 2008 | June | 1 | 10264 | 1060 |
| 2008 | May | 1 | 10259 | 1103 |
| 2008 | April | 1 | 10256 | 1106 |