83% (2007)

79% (1995)

52% (1997)

79% (2008)

74% (1999)

71% (2006)

82% (1992)

71% (1991)

74% (1994)

79% (2018)

71% (2010)

81% (1996)

56% (1992)

78% (1999)

70% (2003)

80% (1993)

68% (1991)

56% (2017)

77% (1996)

59% (2014)