xper,xns,xew,xco
0.100000001 , 0.568017900 , 0.778911114 , 892.650024
0.200000003 , 0.124921963 , 0.121469557 , 1031.25000
0.300000012 , 7.78386593E-02 , 8.92467946E-02 , 1031.25000
0.500000000 , 3.52148339E-02 , 3.30969505E-02 , 1031.25000
1.00000000 , 3.43485847E-02 , 3.21544372E-02 , 562.650024
2.00000000 , 2.96886545E-02 , 2.31742989E-02 , 281.325012
3.00000000 , 2.29810309E-02 , 2.05498580E-02 , 187.688004