xper,xns,xew,xco
0.100000001 , 0.316014618 , 0.278790027 , 1082.00000
0.200000003 , 0.360114783 , 0.562712789 , 1250.00000
0.300000012 , 0.236740172 , 0.270119309 , 1250.00000
0.500000000 , 8.83089826E-02 , 9.92789418E-02 , 1000.00000
1.00000000 , 6.39102533E-02 , 6.69616163E-02 , 500.000000
2.00000000 , 3.72751318E-02 , 4.28478308E-02 , 250.000000
3.00000000 , 1.88283622E-02 , 1.11276172E-02 , 144.500000