45% (1972)

39% (2001)

76% (1979)

57% (1981)

76% (2013)

45% (2015)

61% (1985)

79% (2006)

83% (2013)

69% (1994)

50% (1998)

72% (1989)

68% (2009)

88% (1996)

77% (2002)

70% (2023)

56% (2001)

71% (2010)

48% (2003)

50% (1983)