59% (1975)

30% (1985)

66% (1983)

45% (1966)

52% (1938)

57% (1980)

60% (1968)

55% (1981)

61% (1976)

33% (1980)

60% (1963)

41% (1941)

48% (1959)

30% (1965)

68% (1982)

66% (1978)

85% (1985)

0% (1977)

60% (1973)

50% (1972)