xper,xns,xew,xco
0.100000001 , 0.521521866 , 0.316073716 , 892.650024
0.200000003 , 0.540978312 , 0.314864457 , 1031.25000
0.300000012 , 0.591594458 , 0.555376709 , 1031.25000
0.500000000 , 0.925704777 , 0.706197619 , 1031.25000
1.00000000 , 0.688312054 , 0.703517437 , 562.650024
2.00000000 , 0.385387987 , 0.200213447 , 281.325012
3.00000000 , 0.178868160 , 8.54329914E-02 , 187.688004