\begin{table}%t5 %\centering \par \caption{The stacked X-ray spectrum of the unabsorbed Seyfert-2 galaxies.} \label{unabsorbed} \begin{tabular}{ccccc}\hline \hline\noalign{\smallskip} $N_{\rm H}$ (cm$^{-2}$) & {$\Gamma$} & $kT$ (keV) & $EW_{\rm FeK}$ (eV) & $\chi^2_{\nu}$ \\ \hline\noalign{\smallskip} $<$$0.1$ & $\rm 2.02^{+0.18}_{-0.15}$ & $\rm 0.37^{+0.07}_{-0.08}$ & $<$$600$ & 118.6/125 \\ \hline \end{tabular} \end{table}