xper,xns,xew,xco
0.100000001 , 0.322045684 , 0.403318346 , 1083.50000
0.200000003 , 0.533065498 , 0.340810031 , 1250.00000
0.300000012 , 0.240651891 , 0.171183079 , 1250.00000
0.500000000 , 0.104372054 , 8.02401155E-02 , 1250.00000
1.00000000 , 2.66819447E-02 , 1.99615657E-02 , 700.000000
2.00000000 , 9.39614512E-03 , 7.56222056E-03 , 350.000000
3.00000000 , 6.97092107E-03 , 3.96499736E-03 , 233.500000