xper,xns,xew,xco
0.100000001 , 71.0263748 , 69.0906448 , 892.650024
0.200000003 , 129.541046 , 180.716370 , 1031.25000
0.300000012 , 180.045410 , 142.188782 , 1031.25000
0.500000000 , 42.7467232 , 22.7746563 , 1031.25000
1.00000000 , 6.95496845 , 3.96305990 , 562.650024
2.00000000 , 1.15787756 , 0.938655674 , 281.325012
3.00000000 , 0.499298722 , 0.417120934 , 187.688004