xper,xns,xew,xco
0.100000001 , 2.29243398 , 2.28875494 , 973.799988
0.200000003 , 3.16647315 , 2.82779145 , 1125.00000
0.300000012 , 4.99420166 , 4.74963236 , 1125.00000
0.500000000 , 5.96257305 , 7.03486490 , 1125.00000
1.00000000 , 4.88277817 , 2.58290672 , 675.000000
2.00000000 , 1.71957111 , 1.52941310 , 337.500000
3.00000000 , 0.706192255 , 0.387551576 , 225.000000