62% (1999)

59% (2005)

68% (1959)

66% (1989)

64% (1970)

62% (1958)

66% (1968)

83% (2005)

55% (1958)

35% (1965)

58% (1969)

61% (1952)

30% (1964)

57% (1963)

40% (1966)

40% (1953)

62% (1953)

80% (1961)

72% (1966)

65% (1999)