40% (1992)

83% (1951)

48% (1968)

55% (1958)

79% (1961)

73% (1959)

64% (1957)

52% (1995)

64% (1971)

68% (1968)

80% (1967)

50% (1965)

50% (1984)

48% (1982)

50% (1953)

50% (1996)

68% (1992)

43% (1956)

71% (1972)

55% (1951)