| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2009 | July | 1 | 10252 | 1006 |
| 2009 | June | 1 | 10256 | 978 |
| 2008 | December | 1 | 10245 | 986 |
| 2008 | November | 1 | 10245 | 991 |
| 2008 | October | 1 | 10245 | 1022 |
| 2008 | September | 1 | 10240 | 985 |
| 2008 | August | 1 | 10240 | 1051 |
| 2008 | July | 1 | 10150 | 1126 |
| 2008 | June | 1 | 10150 | 1161 |
| 2008 | May | 1 | 10121 | 1228 |
| 2008 | April | 1 | 10140 | 1215 |
| 2008 | March | 1 | 10209 | 1157 |