xper,xns,xew,xco
0.100000001 , 0.415692389 , 0.415663123 , 973.799988
0.200000003 , 0.504815876 , 0.622975528 , 1125.00000
0.300000012 , 0.518589616 , 0.387041271 , 1125.00000
0.500000000 , 0.781787097 , 0.607155800 , 1125.00000
1.00000000 , 0.389487058 , 0.412454844 , 675.000000
2.00000000 , 9.62295160E-02 , 7.27573261E-02 , 337.500000
3.00000000 , 2.62177959E-02 , 2.92026792E-02 , 225.000000