67% (1986)

74% (1963)

57% (1977)

70% (1980)

65% (2001)

74% (1991)

74% (1975)

70% (1963)

35% (1952)

62% (2013)

50% (1986)

55% (1979)

68% (2001)

72% (1967)

57% (1955)

79% (2007)

80% (1988)

50% (1962)

48% (1996)

50% (1990)