0% (1964)

60% (1971)

60% (1971)

57% (1973)

0% (1973)

0% (1965)

0% (1970)

80% (1965)

0% (1972)

50% (1970)

0% (1967)

55% (1971)

70% (1972)

90% (1969)

0% (1972)

90% (1966)

0% (1973)

50% (1971)

60% (1965)

0% (1973)