xper,xns,xew,xco
0.100000001 , 71.0304337 , 69.0898132 , 892.650024
0.200000003 , 129.540421 , 180.713486 , 1031.25000
0.300000012 , 180.045425 , 142.188614 , 1031.25000
0.500000000 , 42.7487106 , 22.7746334 , 1031.25000
1.00000000 , 6.95557785 , 3.96315813 , 562.650024
2.00000000 , 1.15733635 , 0.938917816 , 281.325012
3.00000000 , 0.498734832 , 0.416987240 , 187.688004