xper,xns,xew,xco
0.100000001 , 25.5786457 , 15.5889626 , 892.650024
0.200000003 , 18.5742054 , 16.6567211 , 1031.25000
0.300000012 , 13.4916143 , 21.8516159 , 1031.25000
0.500000000 , 11.5175114 , 10.5407782 , 1031.25000
1.00000000 , 3.56081676 , 4.17399549 , 562.650024
2.00000000 , 0.768361270 , 1.23347139 , 281.325012
3.00000000 , 0.301535964 , 0.367111653 , 187.688004