\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}