80% (1956)

0% (1966)

0% (1953)

80% (1961)

65% (1982)

40% (1989)

0% (1967)

20% (1984)

60% (1959)

70% (1969)

0% (1976)

0% (1970)

48% (1973)

50% (1984)

70% (1958)

0% (1978)

0% (1980)

0% (1959)

60% (1965)

0% (1936)