64% (2002)

59% (2009)

68% (1997)

71% (2007)

62% (1979)

63% (1976)

59% (1999)

58% (1985)

74% (1999)

67% (1978)

63% (1974)

46% (2020)

63% (1982)

47% (1989)

60% (2004)

46% (2020)

68% (1991)

64% (1981)

100% (2004)

79% (1977)