xper,xns,xew,xco
0.100000001 , 0.539118528 , 0.849881470 , 892.650024
0.200000003 , 0.876401722 , 0.678033829 , 1031.25000
0.300000012 , 1.21228552 , 1.19007111 , 1031.25000
0.500000000 , 1.35873795 , 2.01212859 , 1031.25000
1.00000000 , 0.298315555 , 0.221431121 , 562.650024
2.00000000 , 6.03450350E-02 , 6.41950071E-02 , 281.325012
3.00000000 , 2.57834643E-02 , 2.39822492E-02 , 187.688004