60% (1968)

78% (1987)

62% (1985)

10% (1972)

80% (1977)

68% (1968)

85% (1980)

41% (1977)

100% (1973)

80% (1982)

0% (1979)

50% (1987)

93% (1977)

70% (1984)

10% (1978)

0% (1965)

0% (1965)

90% (1961)

44% (1980)

0% (1967)