xper,xns,xew,xco
0.100000001 , 1.66538489 , 1.79513156 , 1083.50000
0.200000003 , 1.84157205 , 2.31103539 , 1250.00000
0.300000012 , 2.12103939 , 2.61339021 , 1250.00000
0.500000000 , 0.714699030 , 0.574751854 , 1250.00000
1.00000000 , 0.166641265 , 0.144364253 , 700.000000
2.00000000 , 4.06327695E-02 , 5.36819026E-02 , 350.000000
3.00000000 , 1.71202645E-02 , 2.94813421E-02 , 233.500000