57% (1987)

65% (1955)

57% (1973)

48% (1950)

85% (1985)

64% (1958)

32% (1980)

46% (1935)

64% (1972)

71% (1979)

54% (1969)

64% (1987)

65% (1967)

54% (1969)

0% (1967)

65% (1976)

59% (1987)

25% (1978)

50% (1982)

54% (1973)