xper,xns,xew,xco
0.100000001 , 12.5939198 , 7.54489708 , 1083.50000
0.200000003 , 20.9007282 , 12.9537592 , 1250.00000
0.300000012 , 21.8486805 , 16.9502811 , 1250.00000
0.500000000 , 14.9038334 , 10.5296717 , 1250.00000
1.00000000 , 4.66756773 , 3.31942225 , 700.000000
2.00000000 , 3.29508805 , 1.28771853 , 350.000000
3.00000000 , 1.64084029 , 0.753179193 , 233.500000