\begin{table}%t2
\caption{\label{tab:vollimfit}Summary of fits results for \bluefrac\ as a function of redshift in the volume-limited samples defined in Table~\ref{tab:vollimnumb}; $M^*_{\rm Ev} = -20.3 - 5 \times  \log~(h_{70}) -1.1\times z$.} 
%\centering
\small
\begin{tabular}{c c c c c c c c c }    
\hline\hline  \noalign{\smallskip}               
                & \multicolumn{2}{c}{Sample I}  & \multicolumn{2}{c}{Sample II} & \multicolumn{2}{c}{Sample III} & \multicolumn{2}{c}{Sample IV}  \\   
 $M_{B}$ range  & \multicolumn{2}{c}{$M_{B}\leq M_{B \rm Ev}^*+2.1$} & \multicolumn{2}{c}{$M_{B}\leq M_{B{\rm Ev}}^*+1.5$} & \multicolumn{2}{c}{$M_{B}\leq M_{B{\rm Ev}}^*+0.8$} & \multicolumn{2}{c}{$M_{B} \leq M_{B{\rm Ev}}^*+0.2$} \\
    $z$ range   & \multicolumn{2}{c}{$0.1\leq z\leq0.45$} & \multicolumn{2}{c}{$0.1\leq z\leq0.6$} & \multicolumn{2}{c}{$0.1\leq z\leq0.8$} & \multicolumn{2}{c}{$0.1\leq z\leq 1.0$} \\                  \hline                    
                   & \bluefrac\  ($z=0)$  & $\beta$ & \bluefrac\  ($z=0)$ & $\beta$ & \bluefrac\  ($z=0)$ & $\beta$ & \bluefrac\  ($z=0)$ & $\beta$ \\
All galaxies       & 0.51 $\pm$ 0.06 & 0.88 $\pm$ 0.40 & 0.45 $\pm$ 0.04 & 0.92 $\pm$ 0.27 & 0.36 $\pm$ 0.03 & 0.99 $\pm$ 0.20 & 0.32 $\pm$ 0.03  & 0.96 $\pm$ 0.18  \\
Isolated galaxies      & 0.73 $\pm$ 0.15 & 0.16 $\pm$ 0.67 & 0.58 $\pm$ 0.10 & 0.69 $\pm$ 0.44 & 0.48 $\pm$ 0.08 & 0.85 $\pm$ 0.36 & 0.60 $\pm$ 0.12  & 0.23 $\pm$ 0.36  \\ 
Group galaxies I   & 0.29 $\pm$ 0.08 & 2.01 $\pm$ 0.87 & 0.24 $\pm$ 0.06 & 2.05 $\pm$ 0.67 & 0.19 $\pm$ 0.05 & 1.97 $\pm$ 0.50 & 0.16 $\pm$ 0.05  & 1.87 $\pm$ 0.53  \\ 
Group galaxies II  & 0.21 $\pm$ 0.12 & 2.09 $\pm$ 1.85 & 0.19 $\pm$ 0.08 & 1.75 $\pm$ 1.27 & 0.14 $\pm$ 0.05 & 2.20 $\pm$ 0.61 & 0.16 $\pm$ 0.05  & 1.87 $\pm$ 0.53  \\ 
\hline                             
\end{tabular}
\vspace*{3mm}
\end{table}