66% (1984)

55% (1962)

70% (1979)

30% (1964)

57% (1971)

58% (1970)

57% (1981)

55% (1988)

50% (1976)

0% (1970)

58% (1988)

59% (1961)

0% (1982)

50% (1967)

52% (1958)

60% (1967)

0% (1999)

49% (1958)

80% (1989)

0% (1980)