| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2009 | July | 1 | 9972 | 1333 |
| 2009 | June | 1 | 9971 | 1296 |
| 2008 | December | 1 | 9970 | 1213 |
| 2008 | October | 1 | 9977 | 1249 |
| 2008 | September | 1 | 9979 | 1139 |
| 2008 | August | 1 | 9979 | 1214 |
| 2008 | July | 1 | 9968 | 1213 |
| 2008 | June | 1 | 9968 | 1235 |
| 2008 | May | 1 | 9967 | 1286 |
| 2008 | April | 1 | 9970 | 1275 |
| 2008 | March | 1 | 9970 | 1267 |
| 2008 | February | 1 | 9970 | 1207 |
| 2008 | January | 1 | 9969 | 1225 |
| 2007 | December | 1 | 9969 | 1235 |