xper,xns,xew,xco
0.100000001 , 0.539020777 , 0.849860907 , 892.650024
0.200000003 , 0.876322091 , 0.678026497 , 1031.25000
0.300000012 , 1.21219850 , 1.19008160 , 1031.25000
0.500000000 , 1.35866559 , 2.01213431 , 1031.25000
1.00000000 , 0.298441321 , 0.221435174 , 562.650024
2.00000000 , 6.02574870E-02 , 6.42000586E-02 , 281.325012
3.00000000 , 2.58407854E-02 , 2.39774939E-02 , 187.688004