xper,xns,xew,xco
0.100000001 , 1.03609538 , 0.812306046 , 973.799988
0.200000003 , 0.222834781 , 6.88195005E-02 , 1125.00000
0.300000012 , 8.96140784E-02 , 2.57261228E-02 , 1125.00000
0.500000000 , 2.51824819E-02 , 2.10882910E-02 , 1125.00000
1.00000000 , 1.88556369E-02 , 1.62935592E-02 , 675.000000
2.00000000 , 1.90584583E-03 , 2.16191914E-03 , 337.500000
3.00000000 , 1.32268795E-03 , 1.09784619E-03 , 225.000000