xper,xns,xew,xco
0.100000001 , 25.5787373 , 15.5889750 , 892.650024
0.200000003 , 18.5739002 , 16.6567078 , 1031.25000
0.300000012 , 13.4919176 , 21.8515701 , 1031.25000
0.500000000 , 11.5178232 , 10.5407410 , 1031.25000
1.00000000 , 3.56065345 , 4.17402124 , 562.650024
2.00000000 , 0.768460989 , 1.23345089 , 281.325012
3.00000000 , 0.301441848 , 0.367102861 , 187.688004