xper,xns,xew,xco
0.100000001 , 0.106866091 , 7.36024156E-02 , 892.650024
0.200000003 , 6.28270283E-02 , 6.94111064E-02 , 1031.25000
0.300000012 , 1.46888429E-02 , 2.34161559E-02 , 1031.25000
0.500000000 , 4.25505266E-03 , 5.80887124E-03 , 1031.25000
1.00000000 , 2.50473130E-03 , 2.54246360E-03 , 562.650024
2.00000000 , 2.00741366E-03 , 2.04684562E-03 , 281.325012
3.00000000 , 1.99254765E-03 , 1.73893652E-03 , 187.688004