| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2012 | April | 1 | 495 | 1264 |
| 2012 | March | 1 | 494 | 1203 |
| 2012 | February | 1 | 494 | 1193 |
| 2012 | January | 1 | 492 | 1197 |
| 2011 | December | 1 | 492 | 1178 |
| 2011 | November | 1 | 497 | 1214 |
| 2011 | October | 1 | 497 | 1232 |
| 2011 | September | 1 | 498 | 1192 |
| 2011 | August | 1 | 498 | 1191 |
| 2011 | July | 1 | 508 | 1249 |
| 2011 | June | 1 | 508 | 1298 |
| 2011 | May | 1 | 508 | 1270 |