\begin{table}%t2
\caption{\label{AGNfractionTable}Number counts of LAEs redshifts 2.2 and 3.1, limited in Ly$\alpha$ luminosity and rest-frame $EW$. }
\small%\centering
\par
\begin{tabular}{cccc}
\hline\hline\noalign{\smallskip}
Reference&Mean redshift&Total number&AGN-to-total fraction\\
\hline\noalign{\smallskip}
Gronwall et~al. (\cite{gronwall07})  &3.1&64&0.016\tablefootmark{1}  \\
Ouchi et~al. (\cite{ouchi08})  &3.1&40&0.075\tablefootmark{1} \\
Nilsson et~al. (\cite{nilsson09})  &2.25&73&0.123\tablefootmark{1} \\
This work  &2.2&16&0.75\tablefootmark{2} \\
\hline
\end{tabular}
\tablefoot{{%Note that 
Only one AGN
out of the six observed in this work is detected in X-rays (see main text).}\\
%\tablefoot{
\tablefoottext{1}{X-ray selected sample.}\\
\tablefoottext{2}{SED selected sample.} }
\end{table}