xper,xns,xew,xco
0.100000001 , 11.9632034 , 13.9656487 , 892.650024
0.200000003 , 19.1320610 , 13.7916451 , 1031.25000
0.300000012 , 13.1333160 , 15.2513809 , 1031.25000
0.500000000 , 13.8625393 , 10.1148510 , 1031.25000
1.00000000 , 2.72601318 , 1.88543153 , 562.650024
2.00000000 , 0.438911915 , 0.501203716 , 281.325012
3.00000000 , 0.166648090 , 0.155050442 , 187.688004