69% (1964)

72% (1994)

73% (2006)

77% (1999)

58% (2009)

67% (2001)

75% (2013)

76% (2017)

71% (1986)

77% (2000)

66% (2015)

75% (2000)

75% (2010)

64% (2001)

84% (2002)

78% (2020)

74% (1996)

70% (2015)

64% (1997)

78% (1964)