62% (1949)

62% (1965)

55% (1946)

61% (1947)

50% (1964)

71% (1976)

54% (1965)

58% (1982)

64% (1966)

64% (1948)

65% (1975)

0% (1974)

30% (1970)

40% (1962)

32% (1967)

70% (1979)

60% (1959)

33% (1966)

56% (1957)

60% (1968)