2000 8
1999 20
1998 12
1995 3
1994 9
1994 10
1993 9
1991 9
1989 9
1988 12
1988 5
1987 13
1986 12
1985 12
1984 14
1984 4
1982 15
1982 7
1980 11
1980 13
1980 10
1979 9
1979 8