77% (2003)

78% (1997)

74% (1982)

50% (2013)

72% (2021)

63% (2009)

83% (2020)

80% (2016)

80% (2009)

76% (2020)

66% (1987)

81% (2005)

10% (1971)

58% (1969)

82% (2021)

82% (2014)

0% (2013)

68% (2018)

80% (2002)

75% (2014)