76% (2016)

81% (2009)

74% (2018)

80% (2004)

77% (2011)

72% (2006)

70% (2020)

67% (2008)

76% (2018)

85% (2019)

59% (2007)

73% (2019)

66% (2005)

74% (2014)

50% (2016)

82% (2017)

77% (2020)

79% (2017)

74% (2008)

0% (1990)