68% (2010)

62% (2005)

63% (1966)

58% (1993)

42% (1993)

30% (1981)

49% (1974)

47% (1982)

73% (1960)

64% (2014)

63% (1973)

58% (1984)

67% (1981)

70% (1967)

56% (2021)

75% (1957)

71% (1968)

44% (2004)

74% (2014)

51% (1964)