xper,xns,xew,xco
0.100000001 , 24.4297791 , 30.6220207 , 892.650024
0.200000003 , 19.3175411 , 24.7579288 , 1031.25000
0.300000012 , 18.5744820 , 12.3686867 , 1031.25000
0.500000000 , 18.2810955 , 18.5605221 , 1031.25000
1.00000000 , 6.49558830 , 3.42170310 , 562.650024
2.00000000 , 0.744430542 , 0.592020273 , 281.325012
3.00000000 , 0.276151210 , 0.229176462 , 187.688004