\begin{table}%t2
\caption{\label{table2}Number of events  over  24 h per 100 $\times$ 100 arcsec$^2$ identified inside the  coronal holes (CH), in coronal hole boundary regions (CHBR)  and  in the quiet Sun (QS).}
%\centering
\par
\begin{tabular}{lcccccc}
\hline \hline 
\noalign{\smallskip}
 & \multicolumn{3}{c}{No of events identified} & \multicolumn{3}{c}{No of unresolved events } \\
Date  & \multicolumn{3}{c}{with plasma outflows} & \multicolumn{3}{c}{identified with no plasma outflows} \\
\hline
 & CH & CHBR & QS & CH & CHBR & QS \\ 
\hline 
09/11/07 & 29  & 40   &    6    &   6  & 26  &  8      \\
12/11/07 & 16  & 57   &    6    &   2  & 17  &  7      \\
14/11/07 & 10  & 51   &    1    &  16  & 41  &  7      \\
16/11/07 & 56  & 32   &    --    &  44  & 33  & 12      \\
16/12/08 & 99  & 86   &    6    &  31  & 14  & 33      \\
20/09/07 & 57  & 72   &    4    &   5  &  7  &  9      \\
10/01/09 &  --  &  --   &    6    &   --  &  --  & 17      \\
13/01/09 &  --  &  --   &    9    &   --  &  --  & 14      \\
29/11/07 &  --  & 64   &    7    &   --  & 62  & 14      \\ 
\hline
\end{tabular}
\vspace*{-2mm}
\end{table}