xper,xns,xew,xco
0.100000001 , 293.811035 , 163.788834 , 892.650024
0.200000003 , 105.271698 , 62.2808876 , 1031.25000
0.300000012 , 157.239227 , 56.5795784 , 1031.25000
0.500000000 , 47.5124741 , 46.9282227 , 1031.25000
1.00000000 , 19.2303696 , 9.17085648 , 562.650024
2.00000000 , 1.51918113 , 0.911751688 , 281.325012
3.00000000 , 0.634857297 , 0.385701627 , 187.688004