xper,xns,xew,xco
0.100000001 , 0.300602257 , 0.415650427 , 973.799988
0.200000003 , 0.357926846 , 0.329403788 , 1125.00000
0.300000012 , 0.416075319 , 0.316359997 , 1125.00000
0.500000000 , 0.439861774 , 0.438942820 , 1125.00000
1.00000000 , 0.389887363 , 0.362953097 , 675.000000
2.00000000 , 9.83776823E-02 , 4.94793765E-02 , 337.500000
3.00000000 , 2.64792312E-02 , 1.83218904E-02 , 225.000000