50345000 1983 0.091 0.58 1 19830724 0.000 32 50345000 1984 0.044 0.81 1 19831104 0.000 144 50345000 1985 0.38 65.0 1 19841107 0.000 141 50345000 1986 0.40 8.20 1 19851006 0.000 35 50345000 1987 0.20 12.0 1 19870620 0.000 81 50345000 1988 0.58 22.0 1 19871127 0.000 17