20% (1981)

67% (1980)

0% (1977)

83% (1991)

50% (1972)

75% (1946)

0% (1975)

72% (1984)

70% (1954)

60% (1964)

38% (1960)

50% (1978)

68% (1984)

50% (1955)

48% (1982)

0% (1973)

40% (1962)

80% (1976)

70% (1987)

0% (1990)