76% (2020)

52% (1971)

59% (1984)

74% (2018)

69% (1982)

48% (1981)

42% (1985)

46% (1978)

66% (1983)

46% (1987)

54% (1987)

0% (1986)

43% (1983)

50% (1987)

66% (1975)

63% (1980)

36% (1986)

40% (1970)

50% (1970)

58% (1981)