0% (1963)

60% (1968)

60% (1957)

50% (1970)

50% (1966)

55% (1957)

50% (1973)

0% (1973)

57% (1967)

50% (1970)

50% (1959)

50% (1960)

0% (1959)

0% (1955)

0% (1971)

0% (1976)

50% (1971)

51% (1974)

45% (1955)

0% (1972)