78% (1987)

67% (2009)

74% (1997)

74% (2011)

73% (2011)

74% (1990)

58% (1992)

68% (2005)

85% (1992)

79% (2019)

78% (2003)

80% (2003)

77% (2017)

73% (2016)

79% (2009)

73% (1999)

72% (2015)

79% (1995)

85% (2014)

79% (2015)