xper,xns,xew,xco
0.100000001 , 12.5580702 , 7.53993797 , 1083.50000
0.200000003 , 20.8816910 , 12.9515076 , 1250.00000
0.300000012 , 21.8285675 , 16.9447289 , 1250.00000
0.500000000 , 14.8895121 , 10.5365801 , 1250.00000
1.00000000 , 4.63837194 , 3.32123852 , 700.000000
2.00000000 , 3.31280589 , 1.28591800 , 350.000000
3.00000000 , 1.66351819 , 0.755200326 , 233.500000