69% (1970)

90% (1959)

52% (1967)

20% (1985)

80% (1975)

20% (1982)

100% (1965)

40% (1958)

66% (1965)

69% (1980)

40% (1968)

40% (1982)

0% (1957)

70% (1966)

67% (1988)

68% (1969)

64% (1988)

0% (1986)

0% (1967)

0% (1973)