xper,xns,xew,xco
0.100000001 , 0.451050043 , 0.799032867 , 892.650024
0.200000003 , 0.546455801 , 0.447061867 , 1031.25000
0.300000012 , 0.754985332 , 0.708691478 , 1031.25000
0.500000000 , 1.36970353 , 0.925863624 , 1031.25000
1.00000000 , 0.509794056 , 0.262570351 , 562.650024
2.00000000 , 0.115414098 , 0.114556633 , 281.325012
3.00000000 , 4.97327186E-02 , 7.29117915E-02 , 187.688004