xper,xns,xew,xco
0.100000001 , 1.28692293 , 1.05772078 , 1083.50000
0.200000003 , 1.25796950 , 1.29998958 , 1250.00000
0.300000012 , 0.941658080 , 0.847993433 , 1250.00000
0.500000000 , 1.48273969 , 1.27110052 , 1250.00000
1.00000000 , 2.49302220 , 1.88089180 , 700.000000
2.00000000 , 0.607333958 , 0.446373820 , 350.000000
3.00000000 , 0.261080325 , 0.137135223 , 233.500000