72% (1974)

80% (1965)

60% (1971)

90% (1966)

0% (1965)

50% (1970)

0% (1972)

50% (1972)

55% (1967)

0% (1973)

0% (1973)

57% (1973)

0% (1970)

60% (1969)

0% (1973)

50% (1971)

0% (1972)

60% (1965)

80% (1971)

0% (1973)