xper,xns,xew,xco
0.100000001 , 25.5786552 , 15.5889492 , 892.650024
0.200000003 , 18.5741825 , 16.6567287 , 1031.25000
0.300000012 , 13.4916372 , 21.8516407 , 1031.25000
0.500000000 , 11.5175333 , 10.5407991 , 1031.25000
1.00000000 , 3.56080651 , 4.17398167 , 562.650024
2.00000000 , 0.768357456 , 1.23345137 , 281.325012
3.00000000 , 0.301519513 , 0.367120653 , 187.688004