0% (1959)

0% (1978)

80% (1986)

0% (1986)

64% (1959)

0% (1989)

0% (1967)

0% (1985)

90% (1988)

10% (1980)

0% (1964)

0% (1960)

70% (1985)

47% (1968)

58% (1975)

47% (1974)

0% (1972)

70% (1958)

50% (1985)

10% (1980)