77% (1979)

56% (1981)

38% (1972)

45% (2015)

60% (1985)

83% (2013)

37% (2001)

68% (2009)

70% (1994)

88% (1996)

50% (1983)

60% (1989)

0% (2012)

78% (2006)

76% (2013)

84% (2011)

56% (2001)

50% (2008)

10% (2007)

93% (2021)