| Similarity | Rank | |
|---|---|---|
| February | 0.995 | 1490 |
| April | 0.993 | 1032 |
| June | 0.993 | 977 |
| October | 0.992 | 1063 |
| September | 0.990 | 1064 |
| August | 0.990 | 1214 |
| July | 0.987 | 1038 |
| January | 0.985 | 1183 |
| November | 0.985 | 1119 |
| December | 0.984 | 1164 |
| May | 0.944 | 773 |
| Feb. | 0.914 | 9138 |
| Jan. | 0.904 | 8582 |
| Oct. | 0.901 | 7186 |
| Aug. | 0.899 | 9979 |
| Sept | 0.897 | 15931 |
| Sept. | 0.894 | 7206 |
| Dec. | 0.892 | 7222 |
| Nov. | 0.888 | 6880 |
| 29th | 0.881 | 12137 |
| 27th | 0.881 | 11830 |
| 26th | 0.877 | 11608 |
| 28th | 0.877 | 11562 |
| 2011 | 0.868 | 635 |
| 2009 | 0.865 | 927 |