100% (1955)

52% (1964)

58% (1990)

60% (1973)

45% (1966)

0% (1982)

10% (1991)

40% (1983)

70% (1981)

70% (1980)

52% (1970)

80% (1980)

0% (1958)

100% (1984)

30% (1990)

50% (1964)

0% (1969)

55% (1972)

15% (1967)

0% (1959)