58% (1978)

68% (1972)

57% (1975)

66% (1971)

54% (1967)

67% (1999)

40% (1989)

32% (1964)

64% (1968)

52% (1976)

48% (1993)

32% (1987)

80% (1957)

69% (1981)

71% (2020)

66% (2019)

43% (1969)

70% (1994)

65% (1988)

72% (1989)