60% (1966)

0% (1986)

30% (1985)

56% (1981)

0% (1963)

68% (1983)

37% (1973)

50% (1988)

30% (1970)

45% (1970)

30% (1984)

0% (1988)

57% (1975)

52% (1937)

50% (1965)

18% (1991)

43% (1977)

50% (1980)

50% (1988)

45% (1979)