65% (1990)

68% (1988)

65% (1976)

63% (1968)

0% (1987)

0% (1948)

50% (1964)

58% (1971)

42% (1973)

60% (1985)

72% (1971)

50% (1979)

50% (1969)

50% (1949)

57% (1980)

0% (1969)

0% (1992)

0% (1968)

0% (1978)

0% (1953)