xper,xns,xew,xco
0.100000001 , 0.689197361 , 0.758173585 , 1083.50000
0.200000003 , 0.610784411 , 0.630913973 , 1250.00000
0.300000012 , 0.466060430 , 0.566421866 , 1250.00000
0.500000000 , 9.00910720E-02 , 7.37935379E-02 , 1250.00000
1.00000000 , 2.06683539E-02 , 1.45631237E-02 , 700.000000
2.00000000 , 7.94879813E-03 , 5.82206808E-03 , 350.000000
3.00000000 , 5.00701414E-03 , 5.19141974E-03 , 233.500000