xper,xns,xew,xco
0.100000001 , 4.52556133 , 3.58329725 , 1083.50000
0.200000003 , 0.644017041 , 0.627740443 , 1250.00000
0.300000012 , 0.116063580 , 0.107503973 , 1250.00000
0.500000000 , 2.46772543E-02 , 2.15244312E-02 , 1250.00000
1.00000000 , 7.41880806E-03 , 5.91113511E-03 , 700.000000
2.00000000 , 1.96265779E-03 , 2.36446108E-03 , 350.000000
3.00000000 , 1.36845477E-03 , 1.45493692E-03 , 233.500000