| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2008 | October | 1 | 9873 | 1318 |
| 2008 | September | 1 | 9915 | 1164 |
| 2008 | August | 1 | 9915 | 1239 |
| 2008 | July | 1 | 9881 | 1235 |
| 2008 | June | 1 | 9882 | 1258 |
| 2008 | May | 1 | 9894 | 1308 |
| 2008 | April | 1 | 9894 | 1303 |
| 2008 | March | 1 | 9896 | 1294 |
| 2008 | February | 1 | 9897 | 1230 |
| 2008 | January | 1 | 9891 | 1256 |
| 2007 | December | 1 | 9922 | 1252 |