xper,xns,xew,xco
0.100000001 , 0.106869012 , 7.35984370E-02 , 892.650024
0.200000003 , 6.28298894E-02 , 6.94252029E-02 , 1031.25000
0.300000012 , 1.46897370E-02 , 2.34186314E-02 , 1031.25000
0.500000000 , 4.25045844E-03 , 5.81135461E-03 , 1031.25000
1.00000000 , 2.50324141E-03 , 2.52769841E-03 , 562.650024
2.00000000 , 2.00325204E-03 , 2.03437684E-03 , 281.325012
3.00000000 , 1.98833342E-03 , 1.75328820E-03 , 187.688004