xper,xns,xew,xco
0.100000001 , 1.00647366 , 0.873499632 , 1083.50000
0.200000003 , 1.17398512 , 1.27069259 , 1250.00000
0.300000012 , 0.468896925 , 0.499956012 , 1250.00000
0.500000000 , 0.270396978 , 0.345808983 , 1250.00000
1.00000000 , 0.620602965 , 0.467408717 , 700.000000
2.00000000 , 8.08817744E-02 , 0.166183621 , 350.000000
3.00000000 , 2.60993931E-02 , 5.40482923E-02 , 233.500000