xper,xns,xew,xco
0.100000001 , 6.34820700 , 6.15215826 , 892.650024
0.200000003 , 1.08616590 , 1.30489969 , 1031.25000
0.300000012 , 1.15037584 , 1.43089938 , 1031.25000
0.500000000 , 2.30362844 , 2.02794743 , 1031.25000
1.00000000 , 1.87756646 , 2.30487299 , 562.650024
2.00000000 , 0.248496607 , 0.223174855 , 281.325012
3.00000000 , 0.115372755 , 9.15087610E-02 , 187.688004