70% (1993)

38% (2010)

70% (2000)

45% (1960)

71% (2018)

53% (1973)

80% (2000)

58% (1961)

60% (1993)

66% (1991)

50% (1984)

73% (1983)

78% (1981)

56% (1959)

64% (1951)

63% (1977)

68% (2010)

47% (1997)

66% (1979)

50% (1979)