xper,xns,xew,xco
0.100000001 , 1.56716561 , 1.15905035 , 892.650024
0.200000003 , 1.96297836 , 1.85217798 , 1031.25000
0.300000012 , 2.76900458 , 2.06106043 , 1031.25000
0.500000000 , 2.38875055 , 2.12796855 , 1031.25000
1.00000000 , 0.904044867 , 0.510796905 , 562.650024
2.00000000 , 0.144009292 , 9.39112231E-02 , 281.325012
3.00000000 , 4.18241173E-02 , 3.12524065E-02 , 187.688004