64% (2014)

74% (1990)

85% (1992)

63% (2012)

82% (2008)

63% (2006)

80% (1998)

85% (2000)

68% (2005)

70% (1994)

64% (1996)

83% (2018)

76% (2014)

84% (1999)

78% (2001)

78% (2003)

78% (1987)

85% (2018)

80% (2009)

59% (2009)