xper,xns,xew,xco
0.100000001 , 20.9105854 , 14.6568460 , 892.650024
0.200000003 , 30.2194443 , 22.5174904 , 1031.25000
0.300000012 , 38.4805717 , 20.1823044 , 1031.25000
0.500000000 , 10.9476967 , 3.70831966 , 1031.25000
1.00000000 , 1.73031759 , 0.485071391 , 562.650024
2.00000000 , 0.366527379 , 0.105467267 , 281.325012
3.00000000 , 0.149377152 , 4.56839129E-02 , 187.688004