xper,xns,xew,xco
0.100000001 , 25.5873356 , 15.4457283 , 892.650024
0.200000003 , 13.5471363 , 10.1528521 , 1031.25000
0.300000012 , 5.69429827 , 6.07711077 , 1031.25000
0.500000000 , 2.12125659 , 3.30421090 , 1031.25000
1.00000000 , 2.39457321 , 3.97676635 , 562.650024
2.00000000 , 0.776927054 , 1.00116968 , 281.325012
3.00000000 , 0.293416649 , 0.370427936 , 187.688004