\begin{table}%T12
\caption{XEST X-ray detection statistics.\label{tab12} }
%\centering
\par
\begin{tabular}{rlrrl}
\hline
\hline
\multicolumn{2}{l}{Object type}  & Members     &  Detections & Detection \\  
\multicolumn{2}{l}{ }            & surveyed    &  	     & fraction  \\
\hline
0, 1& Protostars  	  & 20 \hfill (21)         &     8 \hfill (10)     & 40\% \hfill (48\%)	\\
2& CTTS                   & 65 \hfill (70)         &    55 \hfill (60)     & 85\% \hfill (86\%)	\\
3& WTTS                   & 50 \hfill (52)         &    49 \hfill (50)     & 98\% \hfill (96\%)	\\
4& BDs    		  & 16 \hfill (17)         &     8 \hfill (9)      & 50\% \hfill (53\%)	\\
5& Herbig		  & 2  \hfill {\ }         &    2  \hfill {\ }     & 100\% \hfill {\ } 	\\
9& others/unident.        & 6  \hfill (7)          &    4  \hfill (5)      & 67\% \hfill (71\%)	\\
\hline
& Total		          & 159 \hfill (169)       &    126 \hfill (136)   & 79\% \hfill (80\%)	\\
\hline
\multicolumn{5}{l}{Notes:}\\
\multicolumn{5}{l}{Numbers in parentheses include {\it Chandra} observations. Source}\\
\multicolumn{5}{l}{near L1551 IRS5 not considered (non-detection for XEST-22-040)}\\ 
\end{tabular}
\end{table}