| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2012 | May | 1 | 674 | 1372 |
| 2012 | April | 1 | 674 | 1409 |
| 2012 | March | 1 | 673 | 1332 |
| 2012 | February | 1 | 668 | 1333 |
| 2012 | January | 1 | 668 | 1327 |
| 2011 | December | 1 | 668 | 1321 |
| 2011 | November | 1 | 668 | 1357 |
| 2011 | October | 1 | 668 | 1385 |
| 2011 | September | 1 | 668 | 1360 |
| 2011 | August | 1 | 668 | 1374 |
| 2011 | July | 1 | 667 | 1432 |
| 2011 | June | 1 | 666 | 1506 |
| 2011 | May | 1 | 687 | 1469 |
| 2011 | April | 1 | 681 | 1508 |
| 2011 | March | 1 | 681 | 1510 |