62% (1972)

54% (1986)

58% (1969)

79% (1981)

0% (1970)

50% (1971)

71% (1970)

0% (1972)

60% (1972)

58% (1968)

52% (1972)

50% (1962)

78% (1988)

0% (1975)

0% (1973)

0% (1987)

50% (1964)

55% (1975)

50% (1969)

0% (1974)