xper,xns,xew,xco
0.100000001 , 10.5712795 , 12.5897512 , 892.650024
0.200000003 , 18.1465683 , 23.6282330 , 1031.25000
0.300000012 , 23.1789379 , 19.6071930 , 1031.25000
0.500000000 , 9.09131241 , 7.52535486 , 1031.25000
1.00000000 , 2.41061068 , 1.49728405 , 562.650024
2.00000000 , 0.721672952 , 0.988146901 , 281.325012
3.00000000 , 0.240049154 , 0.212849721 , 187.688004