xper,xns,xew,xco
0.100000001 , 1.06804574 , 0.560903847 , 892.650024
0.200000003 , 1.14177191 , 1.19939244 , 1031.25000
0.300000012 , 0.645184517 , 0.880669355 , 1031.25000
0.500000000 , 0.382569283 , 0.445457548 , 1031.25000
1.00000000 , 0.120227724 , 0.114839815 , 562.650024
2.00000000 , 3.38352397E-02 , 4.77391630E-02 , 281.325012
3.00000000 , 2.38192063E-02 , 2.90004034E-02 , 187.688004