| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2009 | June | 1 | 8983 | 1097 |
| 2008 | December | 1 | 9111 | 1021 |
| 2008 | November | 1 | 9199 | 1010 |
| 2008 | October | 1 | 9221 | 1023 |
| 2008 | September | 1 | 9203 | 902 |
| 2008 | August | 1 | 9261 | 967 |
| 2008 | July | 1 | 9272 | 944 |
| 2008 | February | 1 | 9363 | 952 |
| 2008 | January | 1 | 9372 | 961 |
| 2007 | December | 1 | 9381 | 946 |
| 2007 | November | 1 | 9385 | 949 |
| 2007 | October | 1 | 9385 | 957 |
| 2007 | September | 1 | 9397 | 956 |
| 2007 | August | 1 | 9466 | 926 |