52% (1975)

10% (1949)

68% (1979)

100% (1964)

40% (1979)

60% (1966)

50% (1977)

0% (1929)

90% (1982)

60% (1986)

65% (1983)

62% (1984)

70% (1980)

70% (1974)

50% (1946)

58% (1988)

20% (1975)

60% (1969)

65% (1988)

50% (1939)