xper,xns,xew,xco
0.100000001 , 71.0338974 , 69.0875549 , 892.650024
0.200000003 , 129.534286 , 180.712311 , 1031.25000
0.300000012 , 180.032532 , 142.188354 , 1031.25000
0.500000000 , 42.7552719 , 22.7797813 , 1031.25000
1.00000000 , 6.94973660 , 3.97574663 , 562.650024
2.00000000 , 1.29649901 , 0.898229182 , 281.325012
3.00000000 , 0.624512672 , 0.379811674 , 187.688004