xper,xns,xew,xco
0.100000001 , 38.3421173 , 23.8474483 , 892.650024
0.200000003 , 16.5307617 , 11.8493061 , 1031.25000
0.300000012 , 6.39362907 , 4.76998186 , 1031.25000
0.500000000 , 3.07004142 , 2.11498857 , 1031.25000
1.00000000 , 0.827876627 , 0.456798464 , 562.650024
2.00000000 , 0.184793398 , 0.106118113 , 281.325012
3.00000000 , 0.110961467 , 5.79029843E-02 , 187.688004