| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2011 | June | 1 | 1008 | 991 |
| 2011 | May | 1 | 1008 | 971 |
| 2011 | April | 1 | 1008 | 977 |
| 2011 | March | 1 | 1008 | 977 |
| 2011 | February | 1 | 1008 | 972 |
| 2011 | January | 1 | 1008 | 976 |
| 2010 | December | 1 | 1008 | 984 |
| 2010 | November | 1 | 1008 | 978 |
| 2010 | October | 1 | 1008 | 991 |
| 2010 | September | 1 | 1008 | 980 |
| 2010 | August | 1 | 1008 | 985 |
| 2010 | July | 1 | 1008 | 1002 |
| 2010 | June | 1 | 1007 | 1021 |