\begin{table}%t2 \caption{\label{tab_kshalpha}K-S statistics of H$_\alpha$ luminosities of our sample and the local sample.} %\centering \par \begin{tabular}{lcccc} \hline \hline \noalign{\smallskip} &$D$ & $P$ \\ \hline log(H$_\alpha$ luminosity) & 0.23 & 0.580 \\ \hline \end{tabular} \tablefoot {$D$: K-S statistics specifying the maximum deviation between the cumulative distribution of the H$_\alpha$~luminosity for the local and intermediate redshift samples; $P$:~significance level of the K-S~statistics.} \end{table}