\begin{table}%t2
\caption{\label{tab:OCARS-QLAC}Statistics of comparison of OCARS (1) with LQAC (2).}
\par
%\centering
\small
\begin{tabular}{lccccc}
\hline
\hline
\multicolumn{1}{l}{Number of sources ...} & \multicolumn{5}{c}{Search radius, arcsec} \\
\cline{2-6}
                                &   1  &   2  &   5  &  10  &   30 \\
\hline
not found in (2)                &  669 &  650 &  641 &  635 &  631 \\
without $z$ in both catalogues    & 1809 & 1811 & 1814 & 1817 & 1821 \\
with $z$ in (1) only              &  547 &  548 &  532 &  526 &  520 \\
with $z$ in (2) only              &    8 &    8 &    8 &   10 &   10 \\
with different $z$ in (1) and (2) &   44 &   48 &   47 &   47 &   50 \\
\hline
\end{tabular}
\end{table}