64% (1984)

55% (1966)

35% (1982)

30% (1986)

0% (1987)

43% (1939)

53% (1965)

67% (1953)

95% (1986)

0% (1977)

0% (1969)

44% (1979)

58% (1980)

63% (1986)

50% (1958)

46% (1950)

59% (1990)

70% (1974)

0% (1955)

0% (1980)