xper,xns,xew,xco
0.100000001 , 25.5786057 , 15.5889254 , 892.650024
0.200000003 , 18.5743160 , 16.6567535 , 1031.25000
0.300000012 , 13.4915075 , 21.8516884 , 1031.25000
0.500000000 , 11.5173998 , 10.5408487 , 1031.25000
1.00000000 , 3.56089020 , 4.17394829 , 562.650024
2.00000000 , 0.768310070 , 1.23350561 , 281.325012
3.00000000 , 0.301581144 , 0.367131263 , 187.688004