27% (1979)

50% (1961)

85% (1964)

0% (1963)

0% (1971)

77% (1984)

0% (1968)

47% (1987)

0% (1966)

0% (1977)

65% (1966)

0% (1963)

70% (1990)

70% (1970)

55% (1987)

60% (1985)

45% (1988)

0% (1967)

0% (1980)

60% (1978)