\begin{table}%t2
\caption{\label{tab:Nsrc}Number of X-ray sources detected in each energy band and relative fraction for the three observation sets defined in Sect.~\ref{SourceDet}.} 
%\centering
\small
\begin{tabular}[c]{c|ccc|c} 
\hline \hline
Band (keV) & 0.5--2 & 2--10 & 0.3--8 & Total \\ 
Set & $N$(\%) & $N$(\%) & $N$(\%) & $N$ \\ 
\hline
 1 & 101 (76.5) & 68 (51.5) & 123 (93) & 132   \\
 2 & 84 (78.5) & 42 (39) & 97 (90.6) & 107   \\
 3 & 114 (72) & 87 (60) & 135 (94) & 144   \\
\hline 
\end{tabular}
\end{table}