xper,xns,xew,xco
0.100000001 , 8.15198421 , 11.7337103 , 892.650024
0.200000003 , 19.4210930 , 15.3931866 , 1031.25000
0.300000012 , 13.7470732 , 26.5360432 , 1031.25000
0.500000000 , 7.32763863 , 16.9401894 , 1031.25000
1.00000000 , 2.70161223 , 4.73255157 , 562.650024
2.00000000 , 0.834942341 , 1.10629070 , 281.325012
3.00000000 , 0.350812912 , 0.374362797 , 187.688004