76% (1964)

54% (1979)

73% (1983)

53% (1971)

81% (1982)

73% (2003)

73% (1988)

62% (1953)

50% (2016)

65% (1999)

82% (2003)

89% (2011)

76% (2018)

81% (2017)

82% (1967)

76% (2005)

68% (2000)

78% (2006)

71% (1983)

78% (2003)