38% (1972)

75% (1971)

50% (1998)

60% (1985)

40% (2003)

37% (2001)

78% (1979)

83% (2013)

56% (1981)

50% (1983)

70% (2009)

71% (2010)

0% (1988)

84% (2011)

76% (2013)

38% (2004)

92% (2021)

60% (2006)

79% (2002)

50% (2015)