xper,xns,xew,xco
0.100000001 , 28.4987583 , 26.9349594 , 892.650024
0.200000003 , 36.5864067 , 48.6967773 , 1031.25000
0.300000012 , 78.1284866 , 62.0995445 , 1031.25000
0.500000000 , 62.3452263 , 64.4565430 , 1031.25000
1.00000000 , 10.2236938 , 13.9649839 , 562.650024
2.00000000 , 2.07829142 , 1.87065876 , 281.325012
3.00000000 , 0.734448612 , 0.876810312 , 187.688004