xper,xns,xew,xco
0.100000001 , 71.0264206 , 69.0884018 , 892.650024
0.200000003 , 129.541306 , 180.714432 , 1031.25000
0.300000012 , 180.046066 , 142.188675 , 1031.25000
0.500000000 , 42.7484283 , 22.7739201 , 1031.25000
1.00000000 , 6.95537281 , 3.96266890 , 562.650024
2.00000000 , 1.15771639 , 0.938287437 , 281.325012
3.00000000 , 0.499109983 , 0.416522235 , 187.688004