xper,xns,xew,xco
0.100000001 , 1.32937539 , 0.849617302 , 892.650024
0.200000003 , 0.515342712 , 0.297286659 , 1031.25000
0.300000012 , 0.487355918 , 0.248129606 , 1031.25000
0.500000000 , 0.242464647 , 0.178382412 , 1031.25000
1.00000000 , 0.147817239 , 0.109364673 , 562.650024
2.00000000 , 8.05796981E-02 , 5.48578575E-02 , 281.325012
3.00000000 , 7.39188865E-02 , 5.77483699E-02 , 187.688004