xper,xns,xew,xco
0.100000001 , 4.99650054E-02 , 0.156659245 , 973.799988
0.200000003 , 2.41439771E-02 , 2.81113740E-02 , 1125.00000
0.300000012 , 1.91030353E-02 , 2.69880202E-02 , 1125.00000
0.500000000 , 6.62281690E-03 , 8.26801732E-03 , 1125.00000
1.00000000 , 1.49048143E-03 , 1.69538904E-03 , 675.000000
2.00000000 , 1.14366179E-03 , 1.91551831E-03 , 337.500000
3.00000000 , 1.11522619E-03 , 1.41531962E-03 , 225.000000