xper,xns,xew,xco
0.100000001 , 52.8392639 , 25.5920963 , 892.650024
0.200000003 , 161.662979 , 54.9281158 , 1031.25000
0.300000012 , 86.6622314 , 38.4010658 , 1031.25000
0.500000000 , 18.8054390 , 6.35333204 , 1031.25000
1.00000000 , 4.65647554 , 0.985253870 , 562.650024
2.00000000 , 0.605400920 , 0.259509981 , 281.325012
3.00000000 , 0.441344321 , 9.89911333E-02 , 187.688004