xper,xns,xew,xco
0.100000001 , 55.0694809 , 50.0346146 , 892.650024
0.200000003 , 60.7766418 , 119.978493 , 1031.25000
0.300000012 , 55.8824730 , 54.0347443 , 1031.25000
0.500000000 , 13.7467289 , 23.9889278 , 1031.25000
1.00000000 , 3.19655967 , 2.63626122 , 562.650024
2.00000000 , 0.761402130 , 0.500690758 , 281.325012
3.00000000 , 0.228391454 , 0.217632413 , 187.688004