| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2013 | March | 1 | 977 | 928 |
| 2013 | February | 1 | 977 | 923 |
| 2013 | January | 1 | 977 | 940 |
| 2012 | December | 1 | 977 | 952 |
| 2012 | November | 1 | 973 | 949 |
| 2012 | October | 1 | 973 | 967 |
| 2012 | September | 1 | 973 | 965 |
| 2012 | August | 1 | 973 | 948 |
| 2012 | July | 1 | 973 | 942 |
| 2012 | June | 1 | 973 | 958 |
| 2012 | May | 1 | 973 | 969 |
| 2012 | April | 1 | 973 | 997 |