\begin{table}%t6 %\centering \par \caption{\label{ncblin}Number of companions for $-21 < M_B^{\rm e} {\rm (AB)} \lesssim -19$ galaxies.} \begin{tabular}{lcc} \hline\hline \noalign{\smallskip} Reference & $z$ & $N_{\rm c}$\\ \hline \citet{lin04} & 0 &$0.022 \pm 0.010$\\ \citet{lin08} & 0 &$0.031 \pm 0.004$\\ \citet{patton00} & 0.015 &$0.021 \pm 0.005$\\ Present work (MGC) & 0.092 &$0.034 \pm 0.005$\\ \citet{patton02} & 0.297 &$0.028 \pm 0.007$\\ Present work (GOODS-S) & 0.425 &$0.029 \pm 0.013$\\ Present work (GOODS-S) & 0.875 &$0.041 \pm 0.010$\\ \hline \end{tabular} \end{table}