76% (1979)

39% (2001)

56% (1981)

60% (1989)

68% (2009)

45% (2015)

61% (1985)

70% (1994)

56% (2001)

71% (2010)

70% (1994)

38% (1972)

83% (2002)

59% (2016)

50% (1998)

0% (2012)

88% (1996)

80% (1997)

0% (2003)

83% (2013)