xper,xns,xew,xco
0.100000001 , 21.3385754 , 28.5686855 , 892.650024
0.200000003 , 23.7081280 , 65.9939041 , 1031.25000
0.300000012 , 33.1474113 , 37.1976814 , 1031.25000
0.500000000 , 5.79086733 , 6.33141279 , 1031.25000
1.00000000 , 0.848435342 , 1.00337875 , 562.650024
2.00000000 , 0.170205161 , 0.202147156 , 281.325012
3.00000000 , 6.83513582E-02 , 0.109863892 , 187.688004