xper,xns,xew,xco
0.100000001 , 0.334912330 , 0.226262376 , 892.650024
0.200000003 , 7.65587240E-02 , 8.82189721E-02 , 1031.25000
0.300000012 , 4.28939834E-02 , 6.06270880E-02 , 1031.25000
0.500000000 , 3.29499617E-02 , 2.79058032E-02 , 1031.25000
1.00000000 , 2.84786914E-02 , 2.81938799E-02 , 562.650024
2.00000000 , 2.63825357E-02 , 1.77154932E-02 , 281.325012
3.00000000 , 2.08121855E-02 , 2.63606608E-02 , 187.688004