xper,xns,xew,xco
0.100000001 , 25.5774326 , 15.5947533 , 892.650024
0.200000003 , 13.5570612 , 16.6507778 , 1031.25000
0.300000012 , 9.63979626 , 14.2498474 , 1031.25000
0.500000000 , 5.32151890 , 7.50005674 , 1031.25000
1.00000000 , 3.24899650 , 3.96749711 , 562.650024
2.00000000 , 0.766657829 , 1.22881818 , 281.325012
3.00000000 , 0.303270370 , 0.361261725 , 187.688004