xper,xns,xew,xco
0.100000001 , 4.54550125E-02 , 3.89411375E-02 , 1083.50000
0.200000003 , 2.91527044E-02 , 2.23474056E-02 , 1250.00000
0.300000012 , 1.20320050E-02 , 1.51148215E-02 , 1250.00000
0.500000000 , 5.16732689E-03 , 5.92609122E-03 , 1250.00000
1.00000000 , 2.57002609E-03 , 2.30714027E-03 , 700.000000
2.00000000 , 1.14270288E-03 , 9.13008174E-04 , 350.000000
3.00000000 , 9.14982462E-04 , 9.02453321E-04 , 233.500000