xper,xns,xew,xco
0.100000001 , 38.3420525 , 23.8474941 , 892.650024
0.200000003 , 16.5308189 , 11.8493509 , 1031.25000
0.300000012 , 6.39368868 , 4.76993752 , 1031.25000
0.500000000 , 3.07010341 , 2.11504030 , 1031.25000
1.00000000 , 0.827954710 , 0.456859827 , 562.650024
2.00000000 , 0.184730724 , 0.106062077 , 281.325012
3.00000000 , 0.110888593 , 5.78548685E-02 , 187.688004