| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2011 | March | 1 | 1289 | 831 |
| 2011 | February | 1 | 1289 | 828 |
| 2011 | January | 1 | 1289 | 827 |
| 2010 | December | 1 | 1289 | 835 |
| 2010 | November | 1 | 1289 | 821 |
| 2010 | October | 1 | 1289 | 830 |
| 2010 | September | 1 | 1289 | 846 |
| 2010 | August | 1 | 1289 | 853 |
| 2010 | July | 1 | 1289 | 870 |
| 2010 | June | 1 | 1280 | 879 |
| 2010 | May | 1 | 1280 | 850 |
| 2010 | April | 1 | 1308 | 803 |
| 2010 | March | 1 | 1308 | 803 |
| 2010 | February | 1 | 1308 | 788 |
| 2010 | January | 1 | 10353 | 839 |
| 2009 | July | 1 | 10393 | 761 |
| 2009 | June | 1 | 10392 | 748 |