| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2009 | July | 1 | 10336 | 819 |
| 2009 | June | 1 | 10335 | 802 |
| 2008 | December | 1 | 10335 | 766 |
| 2008 | November | 1 | 10334 | 766 |
| 2008 | October | 1 | 10330 | 770 |
| 2008 | September | 1 | 10330 | 702 |
| 2008 | August | 1 | 10328 | 759 |
| 2008 | July | 1 | 10275 | 783 |
| 2008 | June | 1 | 10272 | 793 |
| 2008 | May | 1 | 10271 | 830 |
| 2008 | April | 1 | 10271 | 837 |
| 2008 | March | 1 | 10271 | 827 |
| 2008 | February | 1 | 10272 | 794 |
| 2008 | January | 1 | 10270 | 800 |
| 2007 | December | 1 | 10271 | 794 |
| 2007 | November | 1 | 10269 | 802 |
| 2007 | October | 1 | 10270 | 802 |