| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2011 | July | 1 | 988 | 979 |
| 2011 | June | 1 | 988 | 1031 |
| 2011 | May | 1 | 987 | 1015 |
| 2011 | April | 1 | 987 | 1018 |
| 2011 | March | 1 | 987 | 1018 |
| 2011 | February | 1 | 987 | 1009 |
| 2011 | January | 1 | 987 | 1016 |
| 2010 | December | 1 | 987 | 1021 |
| 2010 | November | 1 | 987 | 1017 |
| 2010 | October | 1 | 987 | 1033 |
| 2010 | September | 1 | 987 | 1019 |
| 2010 | August | 1 | 987 | 1027 |