| Year | Month | Day | Rating | Rank |
|---|---|---|---|---|
| 2016 | January | 1 | 1663 | 2 |
| 2015 | December | 1 | 1663 | 2 |
| 2015 | November | 1 | 1663 | 2 |
| 2015 | October | 1 | 1663 | 2 |
| 2015 | September | 1 | 1663 | 1 |
| 2015 | August | 1 | 1663 | 1 |
| 2015 | July | 1 | 1663 | 1 |
| 2015 | June | 1 | 1663 | 1 |
| 2015 | May | 1 | 1612 | 3 |
| 2015 | April | 1 | 1601 | 4 |
| 2015 | March | 1 | 1601 | 4 |
| 2015 | January | 1 | 1595 | 3 |