xper,xns,xew,xco
0.100000001 , 0.521711767 , 0.316127360 , 892.650024
0.200000003 , 0.541179001 , 0.314814746 , 1031.25000
0.300000012 , 0.591506302 , 0.555438101 , 1031.25000
0.500000000 , 0.925614893 , 0.706250310 , 1031.25000
1.00000000 , 0.688289344 , 0.703458309 , 562.650024
2.00000000 , 0.385338426 , 0.200255692 , 281.325012
3.00000000 , 0.178763375 , 8.54516849E-02 , 187.688004