xper,xns,xew,xco
0.100000001 , 18.2629776 , 15.8685083 , 1082.00000
0.200000003 , 34.8722992 , 31.0695419 , 1250.00000
0.300000012 , 45.8114204 , 51.1746063 , 1250.00000
0.500000000 , 9.29464626 , 12.0698977 , 1000.00000
1.00000000 , 1.46318352 , 1.78379416 , 500.000000
2.00000000 , 0.332802296 , 0.368990242 , 250.000000
3.00000000 , 0.138402313 , 0.156586036 , 144.500000