xper,xns,xew,xco
0.100000001 , 25.5783443 , 15.5883045 , 892.650024
0.200000003 , 18.5748482 , 16.6573753 , 1031.25000
0.300000012 , 13.4909630 , 21.8528214 , 1031.25000
0.500000000 , 11.5168476 , 10.5420103 , 1031.25000
1.00000000 , 3.56124473 , 4.17311382 , 562.650024
2.00000000 , 0.768052399 , 1.23416388 , 281.325012
3.00000000 , 0.301824540 , 0.367696285 , 187.688004