60% (1987)

0% (1967)

73% (1971)

72% (1974)

69% (1985)

80% (1977)

46% (1973)

70% (1975)

100% (1971)

53% (1980)

25% (1961)

80% (1972)

77% (1965)

0% (1987)

50% (1980)

30% (1987)

58% (1987)

0% (1982)

50% (1973)

80% (1991)