xper,xns,xew,xco
0.100000001 , 0.644112706 , 0.305071115 , 1190.19995
0.200000003 , 0.347352833 , 0.187006891 , 1375.00000
0.300000012 , 0.210237890 , 0.145039275 , 1375.00000
0.500000000 , 0.123042457 , 9.91471633E-02 , 1375.00000
1.00000000 , 1.60876829E-02 , 1.12738404E-02 , 800.250000
2.00000000 , 5.94454352E-03 , 3.40564665E-03 , 399.850006
3.00000000 , 3.67577747E-03 , 1.50811113E-03 , 266.750000