80% (1964)

52% (1962)

64% (1982)

55% (2001)

47% (1987)

49% (1978)

53% (1958)

0% (1986)

35% (1974)

33% (1965)

57% (1971)

55% (1980)

38% (1964)

55% (1985)

48% (1960)

38% (1967)

30% (1991)

55% (1993)

0% (1994)

10% (1992)