xper,xns,xew,xco
0.100000001 , 28.4981899 , 26.9356461 , 892.650024
0.200000003 , 36.5869408 , 48.6961975 , 1031.25000
0.300000012 , 78.1280289 , 62.0989952 , 1031.25000
0.500000000 , 62.3448410 , 64.4559402 , 1031.25000
1.00000000 , 10.2240572 , 13.9656534 , 562.650024
2.00000000 , 2.07795882 , 1.87102616 , 281.325012
3.00000000 , 0.733849227 , 0.876134276 , 187.688004