xper,xns,xew,xco
0.100000001 , 0.972989857 , 1.35364377 , 1083.50000
0.200000003 , 1.72244740 , 1.91728830 , 1250.00000
0.300000012 , 3.21249580 , 3.42519093 , 1250.00000
0.500000000 , 2.50655580 , 3.67614651 , 1250.00000
1.00000000 , 0.683491707 , 0.539226174 , 700.000000
2.00000000 , 0.248516470 , 0.138503477 , 350.000000
3.00000000 , 0.119842231 , 6.20711222E-02 , 233.500000