| Similarity | Rank | |
|---|---|---|
| 2005 | 0.992 | 1749 |
| 2004 | 0.989 | 2062 |
| 2007 | 0.988 | 1267 |
| 2009 | 0.978 | 927 |
| 2002 | 0.978 | 2628 |
| 2008 | 0.975 | 1035 |
| 2003 | 0.971 | 2268 |
| 2001 | 0.962 | 2615 |
| 1999 | 0.953 | 3420 |
| 2010 | 0.950 | 709 |
| 1998 | 0.942 | 3724 |
| 1997 | 0.934 | 4165 |
| 2011 | 0.932 | 635 |
| 1996 | 0.923 | 4296 |
| 1995 | 0.916 | 4621 |
| 1994 | 0.900 | 4973 |
| 1992 | 0.897 | 5489 |
| 1993 | 0.896 | 5505 |
| 2000 | 0.883 | 2056 |
| 2012 | 0.881 | 515 |
| 1991 | 0.880 | 5992 |
| 1990 | 0.879 | 5524 |
| 1988 | 0.874 | 7071 |
| 1989 | 0.867 | 6451 |
| 1987 | 0.867 | 7465 |