69% (2001)

76% (1964)

54% (1960)

77% (2009)

67% (1978)

66% (1964)

66% (2004)

76% (1997)

74% (1962)

62% (1980)

42% (1985)

76% (2005)

62% (1953)

68% (1975)

78% (2016)

48% (2000)

72% (2007)

83% (2011)

86% (2013)

68% (1996)