xper,xns,xew,xco
0.100000001 , 12.5745020 , 7.54312658 , 1083.50000
0.200000003 , 20.8903046 , 12.9529562 , 1250.00000
0.300000012 , 21.8376713 , 16.9482899 , 1250.00000
0.500000000 , 14.8956785 , 10.5321388 , 1250.00000
1.00000000 , 4.65174961 , 3.32008338 , 700.000000
2.00000000 , 3.30488896 , 1.28683007 , 350.000000
3.00000000 , 1.65326917 , 0.753943324 , 233.500000