56% (1965)

56% (1961)

65% (1982)

10% (1974)

0% (1966)

56% (1965)

40% (1977)

64% (1959)

53% (1958)

53% (1971)

58% (1960)

53% (1962)

73% (1968)

56% (1967)

47% (1974)

53% (1969)

44% (1979)

50% (1969)

33% (1978)

60% (1976)