xper,xns,xew,xco
0.100000001 , 3.61443472 , 3.97385120 , 973.799988
0.200000003 , 4.30731249 , 5.96930456 , 1125.00000
0.300000012 , 4.59344959 , 4.27472591 , 1125.00000
0.500000000 , 1.85377145 , 1.91027939 , 1125.00000
1.00000000 , 0.363080442 , 0.311224073 , 675.000000
2.00000000 , 9.56671610E-02 , 7.49395937E-02 , 337.500000
3.00000000 , 4.63189408E-02 , 2.22956911E-02 , 225.000000