65% (2015)

70% (1991)

69% (1982)

74% (2000)

60% (1979)

58% (1995)

84% (1997)

60% (1970)

63% (1980)

51% (1998)

53% (2002)

46% (2005)

82% (2023)

38% (2009)

51% (1985)

45% (1980)

64% (1979)

77% (1971)

45% (1986)

61% (1985)