xper,xns,xew,xco
0.100000001 , 25.5809593 , 15.5870209 , 892.650024
0.200000003 , 13.5535183 , 16.6585274 , 1031.25000
0.300000012 , 9.65686893 , 14.2420387 , 1031.25000
0.500000000 , 5.91497898 , 8.46363544 , 1031.25000
1.00000000 , 3.55877090 , 4.17211103 , 562.650024
2.00000000 , 0.770205438 , 1.23523390 , 281.325012
3.00000000 , 0.299765915 , 0.368778735 , 187.688004