| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2009 | July | 1 | 9979 | 1326 |
| 2009 | June | 1 | 9979 | 1293 |
| 2008 | December | 1 | 9975 | 1211 |
| 2008 | October | 1 | 9928 | 1274 |
| 2008 | September | 1 | 9915 | 1163 |
| 2008 | August | 1 | 9915 | 1238 |
| 2008 | July | 1 | 9905 | 1229 |
| 2008 | June | 1 | 9898 | 1252 |
| 2008 | May | 1 | 9905 | 1304 |
| 2008 | April | 1 | 9906 | 1296 |
| 2008 | March | 1 | 9904 | 1291 |
| 2008 | February | 1 | 9896 | 1233 |
| 2008 | January | 1 | 9922 | 1242 |
| 2007 | December | 1 | 9925 | 1249 |