1990 1
1989 1
1987 2
1986 0
1985 0
1984 2
1982 0
1981 1
1974 0
1973 0
1971 0
1970 1
1969 0
1968 0
1967 0
1966 1
1964 1
1963 1
1963 0
1962 0
1955 0
1954 2