| Similarity | Rank | |
|---|---|---|
| 1999 | 0.994 | 3420 |
| 1997 | 0.992 | 4165 |
| 1995 | 0.991 | 4621 |
| 1996 | 0.989 | 4296 |
| 1994 | 0.981 | 4973 |
| 1993 | 0.980 | 5505 |
| 2002 | 0.979 | 2628 |
| 1992 | 0.976 | 5489 |
| 2001 | 0.972 | 2615 |
| 1988 | 0.967 | 7071 |
| 1991 | 0.965 | 5992 |
| 2004 | 0.964 | 2062 |
| 2003 | 0.961 | 2268 |
| 1990 | 0.961 | 5524 |
| 1987 | 0.960 | 7465 |
| 1986 | 0.958 | 7315 |
| 1989 | 0.957 | 6451 |
| 1985 | 0.957 | 7578 |
| 2005 | 0.951 | 1749 |
| 1982 | 0.949 | 8369 |
| 1983 | 0.948 | 8305 |
| 2006 | 0.942 | 1538 |
| 1981 | 0.941 | 8919 |
| 1984 | 0.932 | 7577 |
| 1980 | 0.931 | 7432 |