| Similarity | Rank | |
|---|---|---|
| 2002 | 0.985 | 2628 |
| 1999 | 0.978 | 3420 |
| 2004 | 0.977 | 2062 |
| 2003 | 0.975 | 2268 |
| 1998 | 0.972 | 3724 |
| 2005 | 0.969 | 1749 |
| 1997 | 0.968 | 4165 |
| 2006 | 0.962 | 1538 |
| 1995 | 0.961 | 4621 |
| 1996 | 0.960 | 4296 |
| 1994 | 0.948 | 4973 |
| 1993 | 0.948 | 5505 |
| 2007 | 0.945 | 1267 |
| 1992 | 0.940 | 5489 |
| 1991 | 0.935 | 5992 |
| 1988 | 0.931 | 7071 |
| 1990 | 0.928 | 5524 |
| 1987 | 0.925 | 7465 |
| 1989 | 0.924 | 6451 |
| 2008 | 0.922 | 1035 |
| 1985 | 0.921 | 7578 |
| 1986 | 0.920 | 7315 |
| 1982 | 0.916 | 8369 |
| 2009 | 0.910 | 927 |
| 1981 | 0.908 | 8919 |