75% (2020)

73% (2018)

42% (1985)

66% (1982)

46% (1978)

0% (1986)

66% (1983)

45% (1970)

54% (1987)

59% (1984)

0% (1972)

50% (1975)

52% (1971)

61% (1981)

43% (1983)

63% (1980)

48% (1981)

68% (1972)

42% (1982)

66% (1975)