xper,xns,xew,xco
0.100000001 , 0.316019177 , 0.278784931 , 1082.00000
0.200000003 , 0.360119522 , 0.562707841 , 1250.00000
0.300000012 , 0.236744642 , 0.270124465 , 1250.00000
0.500000000 , 8.83137584E-02 , 9.92740244E-02 , 1000.00000
1.00000000 , 6.39151484E-02 , 6.69565499E-02 , 500.000000
2.00000000 , 3.72767895E-02 , 4.28539105E-02 , 250.000000
3.00000000 , 1.88271198E-02 , 1.11323558E-02 , 144.500000