72% (1977)

73% (1965)

56% (1962)

76% (1963)

63% (1967)

61% (1988)

60% (1979)

69% (1963)

71% (1959)

0% (1970)

52% (1988)

46% (1985)

69% (1944)

40% (1979)

53% (1990)

77% (1968)

58% (1974)

63% (1973)

54% (1948)

39% (1990)