45% (1966)

30% (1985)

30% (1965)

43% (1989)

46% (1980)

48% (1972)

27% (1983)

60% (1954)

74% (1958)

45% (1981)

26% (1990)

58% (1980)

27% (1984)

0% (1980)

50% (1989)

48% (1985)

60% (1974)

47% (1938)

33% (1986)

48% (1963)