75% (1992)

60% (1971)

77% (1969)

66% (1999)

72% (1992)

65% (1976)

60% (2002)

60% (1987)

55% (1969)

55% (1969)

72% (1979)

60% (1974)

60% (1987)

0% (1977)

0% (1970)

40% (1978)

67% (1979)

60% (1979)

56% (1984)

45% (1969)