xper,xns,xew,xco
0.100000001 , 17.0890522 , 19.3559170 , 1083.50000
0.200000003 , 27.5496120 , 33.8931389 , 1250.00000
0.300000012 , 13.1645937 , 17.4604816 , 1250.00000
0.500000000 , 3.82087135 , 6.57420301 , 1250.00000
1.00000000 , 0.596500099 , 2.06027961 , 700.000000
2.00000000 , 0.118199766 , 0.381418735 , 350.000000
3.00000000 , 6.16237670E-02 , 0.250500172 , 233.500000