75% (1975)

0% (1986)

0% (1980)

90% (1969)

0% (1970)

60% (1960)

65% (1941)

34% (1979)

80% (1986)

100% (1990)

60% (1981)

20% (1980)

44% (1988)

0% (1968)

80% (1986)

0% (1967)

50% (1959)

60% (1962)

0% (1984)

41% (1966)