xper,xns,xew,xco
0.100000001 , 26.4486408 , 27.1969585 , 1082.00000
0.200000003 , 62.2757416 , 59.8459091 , 1250.00000
0.300000012 , 28.3001766 , 52.5272713 , 1250.00000
0.500000000 , 11.9929008 , 19.7161274 , 1000.00000
1.00000000 , 2.48863029 , 5.38289642 , 500.000000
2.00000000 , 0.851536095 , 1.86700547 , 250.000000
3.00000000 , 0.421002001 , 1.04527521 , 144.500000