\begin{table}%t3
\caption{\label{table_PF}Pair fraction (in \%) for different sets of separations and redshift, with $M_B \leq -18 - Q(z)$ (faint sample) and with $M_B \leq -18.77 - Q(z)$ (bright sample) using VVDS~data. (See Sect.~3.1.)}
\par
%\centering
\small
\begin{tabular}{p{1.06cm} c c c c | p{1.06cm} c c c c}
\hline \hline 
%&&&&&&&&& \\[-8pt]
\multicolumn{5}{c|}{${M_B^{\rm max}(z=0) = -18}$} & \multicolumn{5}{c}{${M_B^{\rm max}(z=0) = -18.77}$}\\[2pt]
\hline%\\[-8pt]
\multicolumn{10}{c}{${\Delta v \leq 500~{\rm km~s}^{-1}}$} \\ 
\hline
%&&&&&&&&& \\[-8pt]
 & $20~h^{-1}~{\rm kpc}$ & $30~h^{-1}~{\rm kpc}$ & $50~h^{-1}~{\rm kpc}$ & $100~h^{-1}~{\rm kpc}$ & & $20~h^{-1}~{\rm kpc}$ & $30~h^{-1}~{\rm kpc}$ & $50~h^{-1}~{\rm kpc}$ & $100~h^{-1}~{\rm kpc}$\\  
 \hline 
$z=0.54$ & $3.76 \pm 1.71$ & $6.05 \pm 2.21$ & $13.78 \pm 3.50$ & $21.10 \pm 4.46$ & $z=0.51$ & $2.26 \pm 0.52$ & $7.01 \pm 3.00$ & $14.66 \pm 4.54$ & $4.10 \pm 0.40$ \\  
$z=0.71$ & $9.43 \pm 2.80$ & $12.52 \pm 3.28$ & $17.78 \pm 4.00$ & $40.02 \pm 6.43$ & $z=0.70$ & $3.21 \pm 0.77$ & $12.81 \pm 3.65$ & $18.87 \pm 4.57$ & $22.03 \pm 5.75$ \\  
$z=0.90$ & $10.86 \pm 3.20$ & $15.30 \pm 3.86$ & $30.88 \pm 5.73$ & $54.91 \pm 8.01$ & $z=0.90$ & $4.10 \pm 0.40$ & $14.01 \pm 3.70$ & $25.45 \pm 5.20$ & $40.84 \pm 7.25$ \\  
\hline%\\[-8pt] 
\multicolumn{10}{c}{${\Delta v \leq 1000~{\rm km~s}^{-1}}$} \\  
\hline
%&&&&&&&&& \\[-8pt]
 & $20~h^{-1}~{\rm kpc}$ & $30~h^{-1}~{\rm kpc}$ & $50~h^{-1}~{\rm kpc}$ & $100~h^{-1}~{\rm kpc}$ & & $20~h^{-1}~{\rm kpc}$ & $30~h^{-1}~{\rm kpc}$ & $50~h^{-1}~{\rm kpc}$ & $100~h^{-1}~{\rm kpc}$\\  \hline 
$z=0.54$ & $6.42 \pm 2.28$ & $8.70 \pm 2.70$ & $17.07 \pm 3.95$ & $32.01 \pm 5.70$ & $z=0.51$ & $7.60 \pm 3.14$ & $9.90 \pm 3.64$ & $17.55 \pm 5.04$ & $33.61 \pm 7.38$\\  
$z=0.71$ & $12.44 \pm 3.27$ & $16.27 \pm 3.81$ & $23.68 \pm 4.72$ & $51.46 \pm 7.48$ & $z=0.70$ & $10.16 \pm 3.20$ & $14.59 \pm 3.93$ & $23.14 \pm 5.15$ & $49.09 \pm 8.12$\\  
$z=0.90$ & $13.45 \pm 3.59$ & $19.69 \pm 4.44$ & $38.73 \pm 6.53$ & $66.65 \pm 9.00$ & $z=0.90$ & $11.29 \pm 3.28$ & $17.37 \pm 4.18$ & $31.29 \pm 5.86$ & $55.22 \pm 8.22$\\  
 \hline% \\[-8pt]
\multicolumn{10}{c}{${\Delta v \leq 2000~{\rm km~s}^{-1}}$}\\  
\hline
%&&&&&&&&& \\[-8pt]
 & $20~h^{-1}~{\rm kpc}$ & $30~h^{-1}~{\rm kpc}$ & $50~h^{-1}~{\rm kpc}$ & $100~h^{-1}~{\rm kpc}$ & & $20~h^{-1}~{\rm kpc}$ & $30~h^{-1}~{\rm kpc}$ & $50~h^{-1}~{\rm kpc}$ & $100~h^{-1}~{\rm kpc}$\\  \hline 
$z=0.54$ & $7.22 \pm 2.44$ & $9.50 \pm 2.84$ & $21.34 \pm 4.49$ & $45.63 \pm 7.06$ & $z=0.51$ & $7.60 \pm 3.14$ & $9.90 \pm 3.64$ & $20.65 \pm 5.53$ & $41.99 \pm 8.44$\\  
$z=0.71$ & $12.44 \pm 3.27$ & $17.89 \pm 4.02$ & $26.09 \pm 4.99$ & $58.05 \pm 8.05$ & $z=0.70$ & $10.16 \pm 3.20$ & $16.45 \pm 4.22$ & $25.91 \pm 5.50$ & $55.17 \pm 8.73$\\  
$z=0.90$ & $14.38 \pm 3.73$ & $20.62 \pm 4.56$ & $40.40 \pm 6.69$ & $75.65 \pm 9.71$ & $z=0.90$ & $12.19 \pm 3.43$ & $18.28 \pm 4.30$ & $32.92 \pm 6.04$ & $62.42 \pm 8.86$\\  
\hline
\end{tabular}
\end{table}