xper,xns,xew,xco
0.100000001 , 52.8465462 , 25.5882816 , 892.650024
0.200000003 , 161.671982 , 54.9328537 , 1031.25000
0.300000012 , 86.6705322 , 38.4058800 , 1031.25000
0.500000000 , 18.8138828 , 6.34873104 , 1031.25000
1.00000000 , 4.66475439 , 0.989632368 , 562.650024
2.00000000 , 0.613501430 , 0.254888803 , 281.325012
3.00000000 , 0.449424624 , 0.102067761 , 187.688004