72% (1971)

61% (1971)

0% (1969)

35% (1971)

80% (1968)

60% (1969)

60% (1971)

60% (1974)

50% (1973)

60% (1972)

70% (1972)

65% (1966)

0% (1971)

40% (1972)

40% (1956)

0% (1971)

56% (1972)

55% (1974)

0% (1972)

60% (1969)