xper,xns,xew,xco
0.100000001 , 33.4067764 , 60.2363701 , 892.650024
0.200000003 , 43.7073479 , 57.9042587 , 1031.25000
0.300000012 , 54.8789444 , 117.488487 , 1031.25000
0.500000000 , 39.2310829 , 30.0460339 , 1031.25000
1.00000000 , 9.37181854 , 11.6794052 , 562.650024
2.00000000 , 1.41208386 , 2.86605859 , 281.325012
3.00000000 , 0.593872070 , 1.02018797 , 187.688004