xper,xns,xew,xco
0.100000001 , 11.6191902 , 13.3212461 , 892.650024
0.200000003 , 18.4306564 , 14.1773148 , 1031.25000
0.300000012 , 13.3379526 , 15.4918680 , 1031.25000
0.500000000 , 13.7778559 , 10.1193619 , 1031.25000
1.00000000 , 2.73121238 , 1.88187170 , 562.650024
2.00000000 , 0.439426154 , 0.499647856 , 281.325012
3.00000000 , 0.168525189 , 0.156470492 , 187.688004