xper,xns,xew,xco
0.100000001 , 0.378775507 , 0.497274637 , 973.799988
0.200000003 , 4.97705340E-02 , 4.94140796E-02 , 1125.00000
0.300000012 , 4.33006175E-02 , 3.30986679E-02 , 1125.00000
0.500000000 , 2.69398019E-02 , 1.95348337E-02 , 1125.00000
1.00000000 , 3.57533284E-02 , 2.97960360E-02 , 675.000000
2.00000000 , 6.18239772E-03 , 3.66370589E-03 , 337.500000
3.00000000 , 2.65222578E-03 , 1.21957588E-03 , 225.000000