57% (1975)

0% (1977)

10% (1974)

90% (1965)

53% (1974)

45% (1972)

64% (1980)

0% (1960)

58% (1989)

58% (1988)

0% (1961)

73% (1975)

70% (1977)

61% (1971)

66% (1976)

80% (1961)

80% (1964)

45% (1971)

30% (1990)

0% (1964)