xper,xns,xew,xco
0.100000001 , 0.167887136 , 0.138900027 , 892.650024
0.200000003 , 5.60634136E-02 , 5.20042665E-02 , 1031.25000
0.300000012 , 5.06773256E-02 , 4.53954302E-02 , 1031.25000
0.500000000 , 3.67723256E-02 , 2.80543622E-02 , 1031.25000
1.00000000 , 3.24540511E-02 , 3.62373590E-02 , 562.650024
2.00000000 , 2.86160447E-02 , 2.53421403E-02 , 281.325012
3.00000000 , 2.61815973E-02 , 1.96089149E-02 , 187.688004