xper,xns,xew,xco
0.100000001 , 25.5789871 , 15.5886831 , 892.650024
0.200000003 , 13.5554991 , 16.6568565 , 1031.25000
0.300000012 , 9.65473938 , 14.2437277 , 1031.25000
0.500000000 , 5.91712141 , 8.46186638 , 1031.25000
1.00000000 , 3.56092405 , 4.17393446 , 562.650024
2.00000000 , 0.768221200 , 1.23352194 , 281.325012
3.00000000 , 0.301734239 , 0.367149770 , 187.688004