| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2008 | May | 1 | 9920 | 928 |
| 2008 | April | 1 | 9920 | 932 |
| 2008 | March | 1 | 9920 | 920 |
| 2008 | February | 1 | 9920 | 888 |
| 2008 | January | 1 | 9920 | 894 |
| 2007 | December | 1 | 9914 | 889 |
| 2007 | November | 1 | 9914 | 893 |
| 2007 | October | 1 | 9913 | 902 |
| 2007 | September | 1 | 9913 | 906 |
| 2007 | August | 1 | 9913 | 882 |
| 2007 | July | 1 | 9913 | 898 |
| 2007 | April | 1 | 9913 | 870 |
| 2007 | March | 1 | 9913 | 870 |
| 2007 | February | 1 | 9915 | 851 |
| 2007 | January | 1 | 9934 | 856 |