apr11 1987
1.352 2.030 2.759 2.943 3.059 2.947 2.892 2.148 1.583
apr16 1987
1.638 1.990 1.849 1.079 0.739 0.611 0.367 0.257 -0.289
apr21 1987
1.190 2.032 1.968 1.602 1.286 0.684 0.209 -0.023 -0.060
apr26 1987
1.736 1.878 2.020 1.619 1.180 1.033 0.661 0.298 0.043