xper,xns,xew,xco
0.100000001 , 10.2678080 , 10.5031853 , 1083.50000
0.200000003 , 22.6431866 , 30.2816887 , 1250.00000
0.300000012 , 15.5516720 , 16.9677505 , 1250.00000
0.500000000 , 11.9805088 , 8.05430317 , 1250.00000
1.00000000 , 3.49350667 , 1.74843645 , 700.000000
2.00000000 , 0.461576372 , 0.311392814 , 350.000000
3.00000000 , 0.210078835 , 0.170306101 , 233.500000