xper,xns,xew,xco
0.100000001 , 0.792193294 , 0.822059929 , 892.650024
0.200000003 , 1.25666988 , 1.50003433 , 1031.25000
0.300000012 , 1.78128302 , 1.80648696 , 1031.25000
0.500000000 , 2.02155972 , 3.84979653 , 1031.25000
1.00000000 , 1.12283313 , 0.898463547 , 562.650024
2.00000000 , 0.495730549 , 0.654648304 , 281.325012
3.00000000 , 0.166397259 , 0.317245305 , 187.688004