59% (2011)

62% (2014)

67% (2007)

73% (2017)

67% (2004)

65% (2006)

70% (2019)

77% (2010)

65% (2000)

71% (1993)

82% (1960)

63% (2016)

72% (2004)

81% (2019)

80% (2017)

58% (2001)

73% (2012)

61% (2009)

72% (2018)

69% (2012)