xper,xns,xew,xco
0.100000001 , 55.0747604 , 50.0351639 , 892.650024
0.200000003 , 60.7751503 , 119.977676 , 1031.25000
0.300000012 , 55.8837471 , 54.0339127 , 1031.25000
0.500000000 , 13.7454100 , 23.9878597 , 1031.25000
1.00000000 , 3.19537401 , 2.63703132 , 562.650024
2.00000000 , 0.760326087 , 0.501589298 , 281.325012
3.00000000 , 0.227218598 , 0.216771200 , 187.688004