xper,xns,xew,xco
0.100000001 , 12.9569540 , 8.16454220 , 1083.50000
0.200000003 , 30.0781670 , 23.2250633 , 1250.00000
0.300000012 , 27.3553219 , 16.7858429 , 1250.00000
0.500000000 , 13.2178764 , 6.05099010 , 1250.00000
1.00000000 , 2.15610647 , 2.06247902 , 700.000000
2.00000000 , 0.587560415 , 0.368710369 , 350.000000
3.00000000 , 0.287675261 , 0.150926650 , 233.500000