74% (2014)

71% (2010)

72% (2004)

74% (2012)

80% (1995)

67% (2005)

76% (1999)

74% (1995)

66% (1993)

71% (2000)

82% (2018)

80% (2004)

72% (2013)

77% (2017)

67% (2000)

77% (1997)

70% (2009)

82% (2000)

77% (2015)

74% (1999)