61% (1967)

80% (1958)

0% (1969)

58% (1976)

50% (1965)

62% (1979)

70% (1976)

53% (1982)

50% (1979)

57% (1969)

57% (1971)

33% (1969)

0% (1975)

50% (1967)

60% (1975)

60% (1981)

47% (1975)

57% (1973)

46% (1976)

0% (1961)