xper,xns,xew,xco
0.100000001 , 0.240036547 , 0.366748214 , 892.650024
0.200000003 , 6.38422817E-02 , 5.95998429E-02 , 1031.25000
0.300000012 , 3.00816428E-02 , 3.17216106E-02 , 1031.25000
0.500000000 , 8.49224720E-03 , 8.58137850E-03 , 1031.25000
1.00000000 , 1.85818563E-03 , 2.02260329E-03 , 562.650024
2.00000000 , 1.15437689E-03 , 1.42353249E-03 , 281.325012
3.00000000 , 8.26131902E-04 , 1.09053834E-03 , 187.688004