xper,xns,xew,xco
0.100000001 , 18.2633038 , 15.8685398 , 1082.00000
0.200000003 , 34.8711319 , 31.0695171 , 1250.00000
0.300000012 , 45.8110733 , 51.1746483 , 1250.00000
0.500000000 , 9.29498577 , 12.0699234 , 1000.00000
1.00000000 , 1.46284854 , 1.78376412 , 500.000000
2.00000000 , 0.332464933 , 0.369012892 , 250.000000
3.00000000 , 0.138062090 , 0.156606168 , 144.500000