xper,xns,xew,xco
0.100000001 , 0.780472815 , 0.552213907 , 892.650024
0.200000003 , 0.351781011 , 0.349819422 , 1031.25000
0.300000012 , 0.356543422 , 0.346802890 , 1031.25000
0.500000000 , 0.245382175 , 0.232160747 , 1031.25000
1.00000000 , 0.105113767 , 9.28243175E-02 , 562.650024
2.00000000 , 8.20170715E-02 , 9.84514281E-02 , 281.325012
3.00000000 , 6.10078983E-02 , 5.76813705E-02 , 187.688004