71% (1959)

65% (1995)

82% (2013)

75% (2019)

79% (2021)

78% (1997)

85% (2001)

64% (2005)

79% (2004)

84% (2000)

76% (2015)

77% (2005)

84% (1999)

81% (2011)

77% (2008)

88% (1996)

85% (2021)

80% (2004)

63% (2008)

67% (2016)