xper,xns,xew,xco
0.100000001 , 1.56719792 , 1.15908134 , 892.650024
0.200000003 , 1.96294427 , 1.85221267 , 1031.25000
0.300000012 , 2.76904035 , 2.06102705 , 1031.25000
0.500000000 , 2.38877988 , 2.12801051 , 1031.25000
1.00000000 , 0.904006720 , 0.510831594 , 562.650024
2.00000000 , 0.144042999 , 9.39461514E-02 , 281.325012
3.00000000 , 4.18614708E-02 , 3.12866718E-02 , 187.688004