xper,xns,xew,xco
0.100000001 , 0.316049457 , 0.278779030 , 1082.00000
0.200000003 , 0.360151917 , 0.562701464 , 1250.00000
0.300000012 , 0.236774802 , 0.270130783 , 1250.00000
0.500000000 , 8.83456022E-02 , 9.92684141E-02 , 1000.00000
1.00000000 , 6.39501587E-02 , 6.69506341E-02 , 500.000000
2.00000000 , 3.72696109E-02 , 4.28606495E-02 , 250.000000
3.00000000 , 1.88376158E-02 , 1.11444211E-02 , 144.500000