77% (1986)

57% (1967)

73% (1966)

73% (1953)

57% (1969)

65% (1996)

71% (1955)

56% (1964)

52% (1992)

65% (1966)

49% (1996)

72% (1989)

65% (1951)

48% (1991)

80% (1986)

63% (1981)

74% (1966)

64% (1967)

50% (1995)

61% (1990)