xper,xns,xew,xco
0.100000001 , 0.601684630 , 1.24377608 , 892.650024
0.200000003 , 0.952292860 , 0.699493885 , 1031.25000
0.300000012 , 1.24521077 , 0.737846911 , 1031.25000
0.500000000 , 0.899291992 , 1.31106997 , 1031.25000
1.00000000 , 0.502084613 , 0.630734980 , 562.650024
2.00000000 , 6.58896640E-02 , 7.72103518E-02 , 281.325012
3.00000000 , 2.59069093E-02 , 3.53065990E-02 , 187.688004