90% (1970)

50% (1967)

60% (1969)

0% (1967)

30% (1970)

40% (1957)

0% (1963)

50% (1964)

0% (1961)

80% (1990)

0% (1974)

80% (1987)

0% (1979)

0% (1979)

0% (1988)

0% (1980)

50% (1961)

0% (1966)

70% (1990)

73% (1971)