xper,xns,xew,xco
0.100000001 , 0.112301454 , 7.76805207E-02 , 973.799988
0.200000003 , 0.286432236 , 0.197719187 , 1125.00000
0.300000012 , 0.126579851 , 9.94967148E-02 , 1125.00000
0.500000000 , 0.111294404 , 6.81266189E-02 , 1125.00000
1.00000000 , 2.52517052E-02 , 2.59277578E-02 , 675.000000
2.00000000 , 2.02020817E-02 , 2.06725858E-02 , 337.500000
3.00000000 , 5.24128275E-03 , 8.83728731E-03 , 225.000000