apr11 1991 0.041 -0.012 -0.093 -0.073 -0.274 -0.255 -0.362 -0.128 -0.083 apr16 1991 -0.239 -0.271 -0.190 -0.125 -0.144 -0.314 -0.196 -0.154 -0.929 apr21 1991 -0.458 -0.802 -0.958 -0.916 -0.787 -0.772 -0.699 -0.372 -0.068 apr26 1991 -0.047 -0.763 -0.862 -0.378 -0.145 0.047 -0.158 -0.260 -0.181