60% (1976)

80% (1961)

10% (1981)

40% (1981)

0% (1964)

0% (1971)

67% (1973)

0% (1985)

50% (1980)

60% (1984)

0% (1981)

0% (1985)

80% (1959)

37% (1959)

0% (1987)

0% (1973)

90% (1964)

52% (1954)

0% (1965)

0% (1970)