xper,xns,xew,xco
0.100000001 , 28.5267868 , 30.0228519 , 892.650024
0.200000003 , 36.5501671 , 45.6627083 , 1031.25000
0.300000012 , 56.3353920 , 57.7899208 , 1031.25000
0.500000000 , 34.4220428 , 64.3574371 , 1031.25000
1.00000000 , 7.51767015 , 11.8803091 , 562.650024
2.00000000 , 1.11540544 , 1.76973355 , 281.325012
3.00000000 , 0.548773646 , 0.766135216 , 187.688004