65% (1973)

80% (1989)

58% (1985)

100% (1975)

67% (1977)

57% (1988)

0% (1973)

63% (1971)

79% (1974)

0% (1987)

50% (1987)

63% (2002)

64% (1989)

71% (1997)

0% (1976)

0% (1963)

0% (1989)

60% (1979)

50% (1972)

48% (1992)