apr11 1987 0.503 1.027 0.636 1.330 1.529 1.732 1.932 1.118 -0.315 apr16 1987 0.624 0.972 1.120 1.708 1.682 0.661 0.311 0.471 0.020 apr21 1987 0.540 1.448 1.117 0.896 0.978 0.686 -0.170 -0.472 0.040 apr26 1987 0.448 0.162 0.462 1.120 1.091 1.210 0.610 0.113 0.076