xper,xns,xew,xco
0.100000001 , 2.87000108 , 2.94135666 , 892.650024
0.200000003 , 1.02265370 , 0.884161830 , 1031.25000
0.300000012 , 1.30574036 , 1.35573089 , 1031.25000
0.500000000 , 1.43746793 , 1.29269123 , 1031.25000
1.00000000 , 0.443602145 , 0.360838205 , 562.650024
2.00000000 , 7.64623061E-02 , 5.52154817E-02 , 281.325012
3.00000000 , 4.65285517E-02 , 2.55411454E-02 , 187.688004