xper,xns,xew,xco
0.100000001 , 18.2627373 , 15.8681335 , 1082.00000
0.200000003 , 34.8720665 , 31.0699139 , 1250.00000
0.300000012 , 45.8116646 , 51.1742554 , 1250.00000
0.500000000 , 9.29440880 , 12.0695238 , 1000.00000
1.00000000 , 1.46341801 , 1.78416502 , 500.000000
2.00000000 , 0.333035499 , 0.368615866 , 250.000000
3.00000000 , 0.138634488 , 0.156207815 , 144.500000