xper,xns,xew,xco
0.100000001 , 0.319524586 , 0.569206953 , 892.650024
0.200000003 , 0.407312751 , 0.657355011 , 1031.25000
0.300000012 , 0.665132284 , 0.790346205 , 1031.25000
0.500000000 , 1.15714693 , 1.23559844 , 1031.25000
1.00000000 , 0.607723534 , 0.922110379 , 562.650024
2.00000000 , 0.206761062 , 0.301914632 , 281.325012
3.00000000 , 6.69178665E-02 , 0.134666905 , 187.688004