68% (2010)

80% (2004)

81% (2015)

83% (1997)

77% (2009)

72% (2014)

79% (2021)

76% (2015)

83% (2004)

79% (1999)

72% (2011)

76% (2010)

78% (2006)

71% (2000)

85% (1992)

69% (2015)

79% (2021)

71% (1998)

77% (2010)

71% (2016)