60% (1971)

90% (1989)

62% (1973)

60% (1971)

0% (1973)

50% (1967)

0% (1976)

63% (1994)

65% (1994)

50% (1971)

84% (1972)

60% (1989)

58% (1997)

49% (1994)

0% (1979)

50% (1981)

100% (1975)

48% (1981)

0% (1977)

0% (1974)