xper,xns,xew,xco
0.100000001 , 0.748932242 , 0.766971111 , 892.650024
0.200000003 , 0.146071821 , 0.158105388 , 1031.25000
0.300000012 , 9.50368643E-02 , 7.71383122E-02 , 1031.25000
0.500000000 , 4.12564464E-02 , 4.32981886E-02 , 1031.25000
1.00000000 , 3.10369451E-02 , 3.36821079E-02 , 562.650024
2.00000000 , 2.52132080E-02 , 2.10680049E-02 , 281.325012
3.00000000 , 1.81897525E-02 , 1.78164467E-02 , 187.688004