39% (2001)

40% (2003)

61% (1985)

38% (1972)

50% (1998)

77% (2002)

56% (1981)

83% (2013)

60% (1989)

71% (2010)

45% (2015)

81% (2006)

65% (1996)

0% (1976)

76% (1979)

60% (2006)

0% (2012)

85% (2015)

40% (1995)

76% (2013)