xper,xns,xew,xco
0.100000001 , 26.4490776 , 27.2075577 , 1082.00000
0.200000003 , 62.2763062 , 59.8519325 , 1250.00000
0.300000012 , 28.3012505 , 52.5365028 , 1250.00000
0.500000000 , 11.9931965 , 19.7119637 , 1000.00000
1.00000000 , 2.48840690 , 5.39119434 , 500.000000
2.00000000 , 0.852402508 , 1.86000836 , 250.000000
3.00000000 , 0.421493232 , 1.05047977 , 144.500000