80% (1964)

52% (1962)

55% (1996)

0% (1994)

0% (1957)

30% (1991)

65% (1982)

10% (1992)

0% (1986)

60% (2000)

55% (1985)

55% (1980)

0% (1978)

48% (1960)

0% (2000)

53% (1958)

35% (1974)

38% (1964)

48% (1987)

58% (1974)