| Similarity | Rank | |
|---|---|---|
| 2003 | 0.913 | 2268 |
| 2002 | 0.910 | 2628 |
| 1999 | 0.910 | 3420 |
| 2004 | 0.905 | 2062 |
| 1997 | 0.903 | 4165 |
| 2005 | 0.902 | 1749 |
| 1998 | 0.902 | 3724 |
| 2001 | 0.899 | 2615 |
| 1995 | 0.897 | 4621 |
| 1996 | 0.894 | 4296 |
| 1990 | 0.891 | 5524 |
| 1994 | 0.885 | 4973 |
| 1992 | 0.883 | 5489 |
| 2006 | 0.883 | 1538 |
| 1993 | 0.880 | 5505 |
| 1988 | 0.875 | 7071 |
| 2007 | 0.874 | 1267 |
| 1991 | 0.865 | 5992 |
| 1980 | 0.864 | 7432 |
| 2008 | 0.862 | 1035 |
| 1989 | 0.861 | 6451 |
| 1987 | 0.861 | 7465 |
| 1985 | 0.860 | 7578 |
| 1986 | 0.850 | 7315 |
| 1982 | 0.846 | 8369 |