xper,xns,xew,xco
0.100000001 , 33.7060280 , 19.0527725 , 1083.50000
0.200000003 , 32.9123039 , 22.4160156 , 1250.00000
0.300000012 , 22.7970028 , 24.5072346 , 1250.00000
0.500000000 , 9.78634739 , 12.1144028 , 1250.00000
1.00000000 , 3.49455428 , 2.95221496 , 700.000000
2.00000000 , 0.518409729 , 0.623795748 , 350.000000
3.00000000 , 0.192519337 , 0.294114590 , 233.500000