xper,xns,xew,xco
0.100000001 , 25.5787392 , 15.5889769 , 892.650024
0.200000003 , 18.5738811 , 16.6567059 , 1031.25000
0.300000012 , 13.4919415 , 21.8515759 , 1031.25000
0.500000000 , 11.5178432 , 10.5407362 , 1031.25000
1.00000000 , 3.56064844 , 4.17402363 , 562.650024
2.00000000 , 0.768452168 , 1.23343730 , 281.325012
3.00000000 , 0.301427990 , 0.367096841 , 187.688004