60% (1977)

0% (1977)

0% (1971)

0% (1986)

0% (1970)

0% (1973)

0% (1972)

80% (1965)

56% (1971)

0% (1969)

0% (1987)

77% (1973)

0% (1961)

57% (1978)

0% (1975)

0% (1988)

70% (1966)

64% (1974)

0% (1977)

0% (1968)