1989 1
1987 0
1986 5
1983 1
1978 0
1977 0
1975 0
1974 0
1974 2
1973 0
1972 0
1972 1
1969 0
1968 0
1967 2
1964 0
1963 0
1962 2
1962 1
1960 1
1955 0