1999 1
1999 5
1997 7
1994 7
1992 5
1991 10
1990 3
1988 7
1986 9
1985 7
1985 4
1984 9
1983 5
1982 12
1981 1
1980 3
1979 12
1978 9
1977 3
1975 6
1975 12