xper,xns,xew,xco
0.100000001 , 0.539003372 , 0.849919021 , 892.650024
0.200000003 , 0.876307905 , 0.678087890 , 1031.25000
0.300000012 , 1.21218252 , 1.18999696 , 1031.25000
0.500000000 , 1.35865295 , 2.01207852 , 1031.25000
1.00000000 , 0.298464805 , 0.221388415 , 562.650024
2.00000000 , 6.02422468E-02 , 6.41470850E-02 , 281.325012
3.00000000 , 2.58510076E-02 , 2.40417756E-02 , 187.688004