74% (1963)

72% (1965)

79% (1962)

55% (1966)

0% (1968)

63% (1962)

0% (1971)

35% (1964)

47% (1973)

95% (1966)

0% (1967)

0% (1961)

69% (1970)

65% (1963)

0% (1965)

0% (1960)

0% (1959)

60% (1957)

0% (1969)

50% (1959)