0% (1951)

55% (1975)

72% (1988)

0% (1962)

80% (1966)

50% (1970)

0% (1968)

0% (1971)

50% (1967)

0% (1968)

55% (1958)

50% (1989)

0% (1964)

0% (1987)

0% (1955)

40% (1965)

60% (1949)

50% (1979)

55% (1962)

0% (1970)