53% (1973)

72% (1980)

63% (2016)

67% (1970)

57% (1983)

56% (1972)

62% (1980)

59% (1977)

66% (1977)

0% (1975)

69% (1981)

60% (1974)

70% (1988)

69% (1975)

67% (1984)

60% (1976)

68% (1963)

64% (1974)

62% (1981)

69% (1983)