| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2013 | April | 1 | 278 | 1236 |
| 2013 | March | 1 | 278 | 1298 |
| 2013 | February | 1 | 278 | 1295 |
| 2013 | January | 1 | 278 | 1311 |
| 2012 | December | 1 | 278 | 1314 |
| 2012 | November | 1 | 281 | 1297 |
| 2012 | October | 1 | 281 | 1280 |
| 2012 | September | 1 | 281 | 1302 |
| 2012 | August | 1 | 281 | 1291 |
| 2012 | July | 1 | 281 | 1255 |
| 2012 | June | 1 | 286 | 1269 |
| 2012 | May | 1 | 286 | 1282 |