xper,xns,xew,xco
0.100000001 , 27.3062687 , 25.4343147 , 892.650024
0.200000003 , 62.1702118 , 28.7857933 , 1031.25000
0.300000012 , 60.1005249 , 23.6222115 , 1031.25000
0.500000000 , 22.4566441 , 22.1469326 , 1031.25000
1.00000000 , 8.05062866 , 7.26537609 , 562.650024
2.00000000 , 1.02660298 , 0.980572939 , 281.325012
3.00000000 , 0.468489647 , 0.444191545 , 187.688004