55% (2015)

79% (1993)

82% (1999)

69% (2001)

82% (1984)

69% (1996)

77% (1996)

57% (2009)

68% (2006)

76% (2005)

74% (1957)

76% (2003)

76% (2009)

65% (2002)

84% (1993)

78% (2010)

80% (1998)

66% (1996)

79% (1996)

0% (2001)