xper,xns,xew,xco
0.100000001 , 0.331981391 , 0.277128935 , 892.650024
0.200000003 , 8.78226906E-02 , 8.62132087E-02 , 1031.25000
0.300000012 , 5.80244362E-02 , 5.08463085E-02 , 1031.25000
0.500000000 , 3.21352482E-02 , 3.46066765E-02 , 1031.25000
1.00000000 , 3.47848684E-02 , 2.84485370E-02 , 562.650024
2.00000000 , 2.33951751E-02 , 1.91120096E-02 , 281.325012
3.00000000 , 2.39706989E-02 , 2.30150484E-02 , 187.688004