xper,xns,xew,xco
0.100000001 , 10.5695000 , 12.5871391 , 892.650024
0.200000003 , 18.1447678 , 23.6308689 , 1031.25000
0.300000012 , 23.1807137 , 19.6098270 , 1031.25000
0.500000000 , 9.43920898 , 7.91371775 , 1031.25000
1.00000000 , 2.41253138 , 1.60490024 , 562.650024
2.00000000 , 0.723437130 , 0.985439003 , 281.325012
3.00000000 , 0.241810381 , 0.215436965 , 187.688004