xper,xns,xew,xco
0.100000001 , 0.544559777 , 0.262200117 , 892.650024
0.200000003 , 0.110410348 , 0.109877862 , 1031.25000
0.300000012 , 7.53365010E-02 , 7.01746494E-02 , 1031.25000
0.500000000 , 3.58026177E-02 , 3.33768725E-02 , 1031.25000
1.00000000 , 3.04590594E-02 , 3.51753421E-02 , 562.650024
2.00000000 , 2.43225861E-02 , 2.57959589E-02 , 281.325012
3.00000000 , 1.62247047E-02 , 1.44649269E-02 , 187.688004