80% (1964)

65% (1982)

52% (1962)

49% (1978)

0% (1986)

57% (1971)

0% (2000)

35% (1974)

52% (1958)

38% (1964)

0% (1994)

55% (1996)

60% (2000)

56% (1993)

48% (1960)

33% (1965)

10% (1992)

48% (1987)

54% (2002)

55% (1980)