xper,xns,xew,xco
0.100000001 , 0.532251060 , 0.640768528 , 973.799988
0.200000003 , 0.483735144 , 0.399935603 , 1125.00000
0.300000012 , 0.242392734 , 0.169665977 , 1125.00000
0.500000000 , 4.17407453E-02 , 3.74542326E-02 , 1125.00000
1.00000000 , 7.29950517E-03 , 5.01130847E-03 , 675.000000
2.00000000 , 2.04966753E-03 , 1.65084389E-03 , 337.500000
3.00000000 , 1.54887536E-03 , 9.65661660E-04 , 225.000000