| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2010 | February | 1 | 1034 | 906 |
| 2010 | January | 1 | 10283 | 974 |
| 2009 | July | 1 | 10282 | 957 |
| 2009 | June | 1 | 10282 | 937 |
| 2008 | December | 1 | 10281 | 942 |
| 2008 | November | 1 | 10290 | 938 |
| 2008 | October | 1 | 10289 | 961 |
| 2008 | September | 1 | 10302 | 923 |
| 2008 | August | 1 | 10302 | 985 |
| 2008 | July | 1 | 10161 | 1116 |
| 2008 | June | 1 | 10132 | 1174 |
| 2008 | May | 1 | 10150 | 1211 |
| 2008 | April | 1 | 10219 | 1148 |
| 2008 | March | 1 | 10225 | 1138 |