43% (1986)

10% (1988)

46% (1971)

30% (1979)

0% (1984)

31% (1978)

10% (1969)

50% (1969)

0% (1995)

0% (1973)

0% (1994)

72% (1976)

55% (1993)

84% (1967)

20% (1988)

50% (1986)

27% (1971)

0% (1989)

0% (1994)

20% (1971)