xper,xns,xew,xco
0.100000001 , 33.7061234 , 19.0532608 , 1083.50000
0.200000003 , 32.9124985 , 22.4160423 , 1250.00000
0.300000012 , 22.7963448 , 24.5074291 , 1250.00000
0.500000000 , 9.78562164 , 12.1143064 , 1250.00000
1.00000000 , 3.49521613 , 2.95223451 , 700.000000
2.00000000 , 0.517738104 , 0.623843968 , 350.000000
3.00000000 , 0.193208188 , 0.293855160 , 233.500000