xper,xns,xew,xco
0.100000001 , 8.15139580 , 11.7334089 , 892.650024
0.200000003 , 19.4203892 , 15.3930435 , 1031.25000
0.300000012 , 13.7476549 , 26.5357628 , 1031.25000
0.500000000 , 7.32829237 , 16.9401875 , 1031.25000
1.00000000 , 2.70100355 , 4.73235083 , 562.650024
2.00000000 , 0.834023058 , 1.10614026 , 281.325012
3.00000000 , 0.351660967 , 0.374268770 , 187.688004