70% (2004)

0% (1985)

66% (1965)

61% (1980)

60% (2014)

56% (1977)

80% (1987)

74% (2016)

71% (2012)

76% (1992)

70% (1989)

71% (1982)

62% (1977)

72% (2016)

68% (1986)

68% (2004)

57% (2015)

68% (2004)

71% (1985)

65% (1968)