xper,xns,xew,xco
0.100000001 , 29.2032852 , 28.3890381 , 1082.00000
0.200000003 , 34.0847092 , 51.3991737 , 1250.00000
0.300000012 , 24.0922375 , 47.1424103 , 1250.00000
0.500000000 , 16.0312195 , 16.0070229 , 1000.00000
1.00000000 , 3.72466207 , 4.36640549 , 500.000000
2.00000000 , 1.05488825 , 0.638441503 , 250.000000
3.00000000 , 0.358360320 , 0.279330552 , 144.500000