xper,xns,xew,xco
0.100000001 , 0.285690546 , 0.157694072 , 892.650024
0.200000003 , 0.556240857 , 0.354299426 , 1031.25000
0.300000012 , 0.468672842 , 0.411763847 , 1031.25000
0.500000000 , 0.208330750 , 0.153388903 , 1031.25000
1.00000000 , 5.16342372E-02 , 5.37998788E-02 , 562.650024
2.00000000 , 2.29954533E-02 , 3.51209752E-02 , 281.325012
3.00000000 , 1.75210387E-02 , 2.41112802E-02 , 187.688004