76% (2004)

71% (2003)

59% (1983)

73% (1989)

65% (1974)

78% (1984)

68% (2018)

75% (1963)

76% (1982)

71% (2002)

61% (2022)

51% (1997)

56% (1989)

68% (2009)

77% (1966)

55% (1979)

55% (1986)

65% (1972)

50% (2020)

52% (1961)