xper,xns,xew,xco
0.100000001 , 25.5787563 , 15.5889454 , 892.650024
0.200000003 , 18.5739288 , 16.6567268 , 1031.25000
0.300000012 , 13.4918928 , 21.8516426 , 1031.25000
0.500000000 , 11.5177889 , 10.5408039 , 1031.25000
1.00000000 , 3.56065369 , 4.17397594 , 562.650024
2.00000000 , 0.768482447 , 1.23346090 , 281.325012
3.00000000 , 0.301423013 , 0.367119849 , 187.688004