58% (2005)

57% (2007)

76% (2009)

45% (2015)

80% (1997)

72% (2014)

85% (1999)

74% (2006)

82% (1977)

79% (2014)

78% (2017)

82% (1979)

74% (2002)

80% (1986)

76% (2016)

76% (1987)

63% (2014)

70% (2005)

76% (2014)

77% (2015)