0% (1995)

20% (1971)

0% (1967)

20% (1992)

45% (1971)

30% (1979)

20% (1990)

0% (1994)

10% (1988)

25% (1980)

0% (1989)

35% (1972)

20% (1978)

50% (1986)

57% (1968)

84% (1967)

10% (1972)

37% (1984)

60% (1971)

50% (1969)