56% (2009)

77% (2015)

63% (2014)

68% (1994)

64% (2021)

67% (2000)

64% (2009)

65% (2010)

71% (2006)

66% (2008)

67% (2004)

69% (2015)

63% (2012)

57% (2009)

76% (1961)

75% (1998)

71% (2000)

78% (1995)

72% (2018)

64% (1999)