79% (1964)

65% (1982)

52% (1962)

53% (1958)

55% (1985)

55% (1991)

48% (1987)

38% (1964)

55% (2001)

48% (1960)

49% (1978)

55% (1980)

0% (1986)

54% (2002)

54% (1974)

30% (1991)

33% (1965)

0% (1957)

56% (1993)

0% (1959)