\begin{table}%t6
\caption{\label{bestFitValuesAtoH}Best-fit values: A to H.}            
%\centering
\small
$$
\begin{tabular}{cllllr@{.}l}       
\hline\hline  \noalign{\smallskip}               
Subsample & $n_{\rm WB}$ & $\lambda$ & $Q$ & $\chi^2/\nu$ & \multicolumn{2}{l}{$f_{\rm WB}$}   \\
~ & [pc$^{-3}$] & ~ & ~ & ~ & \multicolumn{2}{l}{\%}\\ 
\hline                       
A & 0.0050 & $1.27$ & $0.92$ & $0.64$ & 9&9 \\
B & $0.0054$ & $1.00$ & $0.96$ & $0.57$ & 10&7 \\ 
C & $0.0041$ & $1.02$ & $0.36$ & $1.07$ & 8&2\\
D & 0.0046 & $1.19$ & $0.29$ & $1.13$ & 9&1\\
E & 0.0077 & $0.73$ & $0.24$ & $1.18$ & 15&2 \\
F & 0.0045 & $1.14$ & $0.37$ & $1.07$ & 8&9\\
G & $0.0054$ & $0.83$ & $0.67$ & $0.86$ & 10&6 \\
H & $0.0042$ & $1.27$ & $0.64$ & $0.88$ & 8&4 \\      
\hline                                   
\end{tabular}
$$
\end{table}