xper,xns,xew,xco
0.100000001 , 0.325474709 , 0.572091639 , 892.650024
0.200000003 , 0.548570275 , 0.483418047 , 1031.25000
0.300000012 , 0.816232562 , 0.993020833 , 1031.25000
0.500000000 , 1.09451699 , 1.01864290 , 1031.25000
1.00000000 , 0.480137706 , 0.391084731 , 562.650024
2.00000000 , 0.129983097 , 0.115536019 , 281.325012
3.00000000 , 4.54648882E-02 , 6.01739362E-02 , 187.688004