| Similarity | Rank | |
|---|---|---|
| 2005 | 0.990 | 1749 |
| 2002 | 0.990 | 2628 |
| 2006 | 0.989 | 1538 |
| 2003 | 0.981 | 2268 |
| 2001 | 0.977 | 2615 |
| 2007 | 0.975 | 1267 |
| 1999 | 0.974 | 3420 |
| 1998 | 0.964 | 3724 |
| 2008 | 0.963 | 1035 |
| 1997 | 0.958 | 4165 |
| 2009 | 0.952 | 927 |
| 1996 | 0.949 | 4296 |
| 1995 | 0.943 | 4621 |
| 1994 | 0.934 | 4973 |
| 1992 | 0.931 | 5489 |
| 1993 | 0.928 | 5505 |
| 2010 | 0.923 | 709 |
| 1991 | 0.916 | 5992 |
| 1988 | 0.912 | 7071 |
| 1990 | 0.910 | 5524 |
| 2000 | 0.905 | 2056 |
| 1989 | 0.904 | 6451 |
| 1987 | 0.900 | 7465 |
| 1986 | 0.895 | 7315 |
| 2011 | 0.893 | 635 |