\begin{table}%t8
%\centering
\par
\caption{Cluster counts.\label{tab:resumen}}
\begin{tabular}{lccl} 
\hline \hline
 & Confirmed & Not confirmed & Total \\
\hline
\multicolumn{4}{c}{Within the total $BR$ + $VI$ area} \\
VGCF &     25    &     23        & 48 \\
\hline
\multicolumn{4}{c}{Within PDCS0 and PDCS2} \\
VGCF &     25    &     15        & 41 \\
PLG96       &     --    &     28        &  28          \\
\hline
\end{tabular}
\end{table}