xper,xns,xew,xco
0.100000001 , 38.3420677 , 23.8474941 , 892.650024
0.200000003 , 16.5308151 , 11.8493509 , 1031.25000
0.300000012 , 6.39367485 , 4.76993752 , 1031.25000
0.500000000 , 3.07008934 , 2.11504030 , 1031.25000
1.00000000 , 0.827941477 , 0.456859827 , 562.650024
2.00000000 , 0.184744284 , 0.106062077 , 281.325012
3.00000000 , 0.110907868 , 5.78548685E-02 , 187.688004