65% (1970)

35% (1988)

50% (1971)

0% (1963)

0% (1956)

90% (1962)

60% (1974)

80% (1953)

45% (1970)

0% (1986)

0% (1985)

60% (1988)

70% (1962)

0% (1985)

50% (1959)

20% (1973)

80% (1967)

28% (1965)

0% (1978)

0% (1987)