80% (1993)

69% (1990)

65% (1998)

69% (1998)

81% (2009)

70% (2009)

80% (1989)

64% (1965)

35% (1958)

64% (1957)

75% (1974)

80% (2016)

57% (2006)

79% (2018)

72% (1993)

71% (1982)

74% (1985)

71% (1986)

72% (2023)

60% (1968)