\begin{table}%t4
\caption{\label{bestFitValuesMag}Best-fit values: $r<20.0$ mag and $r<19.5$~mag.}            
%\centering
\small
\begin{tabular}{clllll}       
\hline\hline\noalign{\smallskip}                
Subsample & $n_{\rm WB}$ & $\lambda$ & $Q$ & $\chi^2/\nu$ & $f_{\rm WB}$   \cr
~ & [pc$^{-3}$] & ~ & ~ & ~ & \%\\ 
\hline                        
$r<20.0$ mag & 0.0057 & $1.15$ & $0.18$ & $1.25$ & $11.3$ \\
$r<19.5$ mag & $0.0064$ & $1.22$ & $0.34$ & $1.09$ & 12.7 \\ 
\hline                                   
\end{tabular}
\end{table}