xper,xns,xew,xco
0.100000001 , 33.7061043 , 19.0533962 , 1083.50000
0.200000003 , 32.9124680 , 22.4159088 , 1250.00000
0.300000012 , 22.7963409 , 24.5075626 , 1250.00000
0.500000000 , 9.78561687 , 12.1144428 , 1250.00000
1.00000000 , 3.49522042 , 2.95215011 , 700.000000
2.00000000 , 0.517736435 , 0.623950601 , 350.000000
3.00000000 , 0.193204314 , 0.294046134 , 233.500000