60% (2010)

73% (2014)

66% (1972)

76% (1986)

70% (1970)

61% (1989)

61% (1955)

41% (2014)

69% (2002)

75% (1995)

62% (1972)

40% (1955)

70% (1987)

72% (1992)

64% (2002)

70% (1977)

61% (1955)

81% (2013)

63% (1958)

75% (1977)