76% (2000)

77% (2003)

84% (2008)

78% (2002)

68% (2005)

83% (2005)

66% (2015)

81% (2017)

75% (2003)

76% (2009)

81% (2017)

80% (2017)

78% (2010)

80% (2018)

77% (2021)

76% (1960)

82% (2005)

81% (1993)

49% (2009)

78% (2010)