xper,xns,xew,xco
0.100000001 , 71.0199203 , 69.0981369 , 892.650024
0.200000003 , 129.515976 , 180.647522 , 1031.25000
0.300000012 , 179.672363 , 142.419418 , 1031.25000
0.500000000 , 43.0097961 , 22.7915058 , 1031.25000
1.00000000 , 7.10997009 , 3.67316628 , 562.650024
2.00000000 , 1.22672164 , 1.16817474 , 281.325012
3.00000000 , 0.500836730 , 0.622981906 , 187.688004