xper,xns,xew,xco
0.100000001 , 1.67879820 , 1.02801228 , 892.650024
0.200000003 , 0.598088920 , 0.698503733 , 1031.25000
0.300000012 , 0.516406417 , 0.733750105 , 1031.25000
0.500000000 , 0.465561777 , 0.497962058 , 1031.25000
1.00000000 , 0.394385904 , 0.433519125 , 562.650024
2.00000000 , 0.196432725 , 0.165676728 , 281.325012
3.00000000 , 6.03673309E-02 , 7.90401846E-02 , 187.688004