xper,xns,xew,xco
0.100000001 , 2.08923078 , 2.08856225 , 1190.19995
0.200000003 , 3.77323055 , 3.73582840 , 1375.00000
0.300000012 , 5.31706715 , 3.12506318 , 1375.00000
0.500000000 , 2.36075711 , 2.21375155 , 1375.00000
1.00000000 , 0.919865906 , 1.36321199 , 800.250000
2.00000000 , 0.119212717 , 0.185575470 , 399.850006
3.00000000 , 5.55314608E-02 , 7.99765959E-02 , 266.750000