| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2011 | April | 1 | 577 | 1621 |
| 2011 | March | 1 | 577 | 1620 |
| 2011 | February | 1 | 578 | 1619 |
| 2011 | January | 1 | 578 | 1618 |
| 2010 | December | 1 | 578 | 1618 |
| 2010 | November | 1 | 577 | 1600 |
| 2010 | October | 1 | 577 | 1625 |
| 2010 | September | 1 | 577 | 1622 |
| 2010 | August | 1 | 567 | 1652 |
| 2010 | July | 1 | 567 | 1677 |
| 2010 | June | 1 | 570 | 1677 |
| 2010 | May | 1 | 566 | 1613 |