xper,xns,xew,xco
0.100000001 , 0.154524669 , 0.139893472 , 892.650024
0.200000003 , 7.63917491E-02 , 7.81057924E-02 , 1031.25000
0.300000012 , 5.63033484E-02 , 5.33615611E-02 , 1031.25000
0.500000000 , 3.77300680E-02 , 3.74577940E-02 , 1031.25000
1.00000000 , 3.19380537E-02 , 2.97254343E-02 , 562.650024
2.00000000 , 2.63048559E-02 , 2.18652692E-02 , 281.325012
3.00000000 , 1.61582027E-02 , 1.71106663E-02 , 187.688004