66% (1964)

62% (1982)

0% (1967)

75% (1979)

0% (1978)

0% (1982)

43% (1972)

30% (1981)

0% (1977)

47% (1971)

70% (1962)

60% (1973)

50% (1982)

0% (1977)

50% (1984)

44% (1981)

80% (1969)

50% (1978)

50% (1980)

0% (1986)