xper,xns,xew,xco
0.100000001 , 25.5787239 , 15.5889692 , 892.650024
0.200000003 , 18.5739803 , 16.6567135 , 1031.25000
0.300000012 , 13.4918365 , 21.8515911 , 1031.25000
0.500000000 , 11.5177402 , 10.5407553 , 1031.25000
1.00000000 , 3.56069493 , 4.17400837 , 562.650024
2.00000000 , 0.768433034 , 1.23342323 , 281.325012
3.00000000 , 0.301458836 , 0.367097378 , 187.688004