74% (2018)

65% (2013)

56% (2016)

66% (2017)

70% (2014)

77% (2016)

78% (2011)

66% (2018)

73% (2013)

67% (2012)

80% (2018)

72% (2010)

58% (2017)

61% (2014)

56% (2016)

69% (2002)

61% (2017)

71% (2019)

76% (1970)

54% (2018)