77% (2015)

50% (2025)

86% (1951)

74% (1990)

55% (1984)

50% (1959)

50% (1961)

57% (1954)

72% (1967)

50% (1987)

70% (1990)

82% (2013)

58% (1991)

56% (1987)

50% (1962)

20% (1999)

40% (1982)

35% (1979)

78% (1983)

65% (1966)