xper,xns,xew,xco
0.100000001 , 0.882733881 , 0.849254429 , 892.650024
0.200000003 , 0.103999957 , 0.107483901 , 1031.25000
0.300000012 , 5.71966320E-02 , 5.98481037E-02 , 1031.25000
0.500000000 , 3.32308188E-02 , 3.02547701E-02 , 1031.25000
1.00000000 , 3.00508980E-02 , 2.34129783E-02 , 562.650024
2.00000000 , 3.08213588E-02 , 2.38605887E-02 , 281.325012
3.00000000 , 2.81002652E-02 , 2.08178088E-02 , 187.688004