xper,xns,xew,xco
0.100000001 , 2.25394106 , 1.47394621 , 1083.50000
0.200000003 , 4.78799057 , 3.51149249 , 1250.00000
0.300000012 , 5.33934641 , 4.68784142 , 1250.00000
0.500000000 , 3.52011943 , 2.51584697 , 1250.00000
1.00000000 , 0.432589144 , 0.467774957 , 700.000000
2.00000000 , 0.170241460 , 9.12831947E-02 , 350.000000
3.00000000 , 9.17348042E-02 , 3.69219445E-02 , 233.500000