xper,xns,xew,xco
0.100000001 , 12.7905760 , 8.85686684 , 1083.50000
0.200000003 , 20.6656570 , 13.5743132 , 1250.00000
0.300000012 , 17.6483879 , 12.7235250 , 1250.00000
0.500000000 , 4.33578253 , 3.66303682 , 1250.00000
1.00000000 , 0.862259448 , 0.810614586 , 700.000000
2.00000000 , 0.570617735 , 0.335723817 , 350.000000
3.00000000 , 0.511758506 , 0.597676516 , 233.500000