xper,xns,xew,xco
0.100000001 , 18.2626247 , 15.8681355 , 1082.00000
0.200000003 , 34.8719482 , 31.0699139 , 1250.00000
0.300000012 , 45.8117714 , 51.1742363 , 1250.00000
0.500000000 , 9.29430103 , 12.0695276 , 1000.00000
1.00000000 , 1.46352780 , 1.78416657 , 500.000000
2.00000000 , 0.333147049 , 0.368618220 , 250.000000
3.00000000 , 0.138747185 , 0.156209722 , 144.500000