xper,xns,xew,xco
0.100000001 , 27.3062782 , 25.4342442 , 892.650024
0.200000003 , 62.1702271 , 28.7856998 , 1031.25000
0.300000012 , 60.1005363 , 23.6221638 , 1031.25000
0.500000000 , 22.4566269 , 22.1469841 , 1031.25000
1.00000000 , 8.05060863 , 7.26543522 , 562.650024
2.00000000 , 1.02663219 , 0.980526507 , 281.325012
3.00000000 , 0.468495429 , 0.444235802 , 187.688004