| Similarity | Rank | |
|---|---|---|
| 2011 | 0.981 | 635 |
| 2010 | 0.966 | 709 |
| 2013 | 0.962 | 461 |
| 2009 | 0.938 | 927 |
| 2008 | 0.918 | 1035 |
| 2007 | 0.901 | 1267 |
| 2006 | 0.881 | 1538 |
| 2014 | 0.868 | 2429 |
| 2005 | 0.857 | 1749 |
| November | 0.850 | 1119 |
| September | 0.847 | 1064 |
| October | 0.844 | 1063 |
| February | 0.843 | 1490 |
| 2004 | 0.839 | 2062 |
| January | 0.839 | 1183 |
| March | 0.835 | 1020 |
| June | 0.833 | 977 |
| December | 0.833 | 1164 |
| April | 0.831 | 1032 |
| August | 0.825 | 1214 |
| July | 0.822 | 1038 |
| May | 0.815 | 773 |
| 2003 | 0.803 | 2268 |
| 2002 | 0.793 | 2628 |
| 09 | 0.784 | 5404 |