68% (2010)

50% (1998)

60% (1985)

56% (1981)

37% (2001)

50% (1983)

79% (2002)

40% (2003)

83% (2013)

78% (2006)

76% (2013)

76% (2008)

75% (1971)

50% (2015)

65% (1996)

88% (1996)

70% (2009)

38% (2004)

70% (1983)

69% (2023)