xper,xns,xew,xco
0.100000001 , 33.4078827 , 60.2389183 , 892.650024
0.200000003 , 43.7084198 , 57.9017830 , 1031.25000
0.300000012 , 54.8778534 , 117.491028 , 1031.25000
0.500000000 , 39.2299423 , 30.0434208 , 1031.25000
1.00000000 , 9.37290955 , 11.6768732 , 562.650024
2.00000000 , 1.41395807 , 2.86350107 , 281.325012
3.00000000 , 0.592795908 , 1.02264905 , 187.688004