xper,xns,xew,xco
0.100000001 , 27.3689461 , 20.4874001 , 892.650024
0.200000003 , 62.2109947 , 21.3873749 , 1031.25000
0.300000012 , 60.1039238 , 23.6308670 , 1031.25000
0.500000000 , 22.4642830 , 22.1111240 , 1031.25000
1.00000000 , 4.53493977 , 7.24053907 , 562.650024
2.00000000 , 1.01087856 , 0.990247369 , 281.325012
3.00000000 , 0.452836335 , 0.435498536 , 187.688004