xper,xns,xew,xco
0.100000001 , 0.689194798 , 0.758184075 , 1083.50000
0.200000003 , 0.610781789 , 0.630922616 , 1250.00000
0.300000012 , 0.466059715 , 0.566430688 , 1250.00000
0.500000000 , 9.00899842E-02 , 7.38025457E-02 , 1250.00000
1.00000000 , 2.06674486E-02 , 1.45729082E-02 , 700.000000
2.00000000 , 7.94640463E-03 , 5.81281027E-03 , 350.000000
3.00000000 , 5.00192447E-03 , 5.16680768E-03 , 233.500000