1990 14
1988 4
1988 2
1988 6
1987 6
1986 1
1986 10
1985 5
1985 6
1985 10
1983 10
1983 13
1983 9
1983 6
1982 13
1982 5
1981 5
1981 3
1980 3
1980 5
1979 12
1978 4
1978 3