80% (1965)

59% (1964)

56% (1971)

63% (1972)

54% (1989)

40% (1975)

55% (1968)

35% (1974)

56% (1971)

55% (1972)

54% (1983)

0% (1986)

27% (1986)

41% (1992)

59% (1971)

33% (1984)

46% (1970)

62% (1980)

0% (1991)

30% (1973)