xper,xns,xew,xco
0.100000001 , 25.5783672 , 15.5886774 , 892.650024
0.200000003 , 18.5748158 , 16.6570015 , 1031.25000
0.300000012 , 13.4910002 , 21.8521633 , 1031.25000
0.500000000 , 11.5168829 , 10.5413294 , 1031.25000
1.00000000 , 3.56121731 , 4.17361116 , 562.650024
2.00000000 , 0.768076539 , 1.23376179 , 281.325012
3.00000000 , 0.301810235 , 0.367364436 , 187.688004