| Year | Rank | +/- | Quantity | |
|---|---|---|---|---|
| 2010 | #459 | -54 | 666 | |
| 2009 | #405 | +8 | 778 | |
| 2008 | #413 | -26 | 773 | |
| 2007 | #387 | -31 | 846 | |
| 2006 | #356 | -44 | 918 | |
| 2005 | #312 | -8 | 1,028 | |
| 2004 | #304 | +17 | 1,058 | |
| 2003 | #321 | -17 | 969 | |
| 2002 | #304 | -13 | 1,023 | |
| 2001 | #291 | -10 | 1,078 | |
| 2000 | #281 | -27 | 1,145 | |
| 1999 | #254 | -49 | 1,244 | |
| 1998 | #205 | -16 | 1,520 | |
| 1997 | #189 | -19 | 1,592 | |
| 1996 | #170 | -16 | 1,843 | |
| 1995 | #154 | -21 | 2,103 | |
| 1994 | #133 | +7 | 2,378 | |
| 1993 | #140 | -20 | 2,278 | |
| 1992 | #120 | -7 | 2,813 | |
| 1991 | #113 | -8 | 2,923 | |
| 1990 | #105 | -18 | 3,267 | |
| 1989 | #87 | -14 | 3,669 | |
| 1988 | #73 | 0 | 4,033 | |
| 1987 | #73 | -3 | 4,127 | |
| 1986 | #70 | +9 | 3,870 | |
| 1985 | #79 | -2 | 3,551 | |
| 1984 | #77 | -6 | 3,707 | |
| 1983 | #71 | 0 | 3,950 | |
| 1982 | #71 | +14 | 4,127 | |
| 1981 | #85 | +4 | 3,734 | |
| 1980 | #89 | +21 | 3,424 | |
| 1979 | #110 | +4 | 2,793 | |
| 1978 | #114 | +1 | 2,557 | |
| 1977 | #115 | +16 | 2,506 | |
| 1976 | #131 | +14 | 2,094 | |
| 1975 | #145 | -4 | 1,845 | |
| 1974 | #141 | +14 | 2,002 | |
| 1973 | #155 | +15 | 1,782 | |
| 1972 | #170 | +60 | 1,729 | |
| 1971 | #230 | +120 | 1,302 | |
| 1970 | #350 | +79 | 717 | |
| 1969 | #429 | +109 | 509 | |
| 1968 | #538 | +95 | 319 | |
| 1967 | #633 | +234 | 228 | |
| 1966 | #867 | +63 | 134 | |
| 1965 | #930 | 120 | ||
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