70% (1965)

48% (1987)

67% (1958)

61% (1987)

73% (2020)

61% (1977)

71% (1975)

73% (1991)

65% (1992)

62% (1982)

70% (1976)

48% (1993)

73% (1981)

78% (1969)

65% (1976)

65% (1989)

67% (1955)

50% (1966)

80% (1960)

70% (2000)