\begin{table}%t1
\caption{\label{asyrtab}Degradation rate for different luminosity samples.}
\par
%\centerline
{
\small\begin{tabular}{lccc}
\hline\hline
Sample selection & $n_{\rm tot}$ & $\delta_A$ & $\overline{A_0}$\\
 & (1) & (2) & (3)\\
\hline
$M_B \leq -19.5$  & 1740 & --0.09 $\pm$ 0.01 &  0.156 \\
$M_B \leq -19.75$ & 1402 & --0.07 $\pm$ 0.01 &  0.160 \\
$M_B \leq -20$    & 1122 & --0.05 $\pm$ 0.01 &  0.163 \\
$M_B \leq -20.25$ & 869  & --0.05 $\pm$ 0.02 &  0.165 \\
$M_B \leq -20.5$  & 648  & --0.04 $\pm$ 0.02 &  0.161 \\
\hline
\end{tabular}}
\medskip
\par
Notes. Column~(1) Number of sources in the sample with $0.1\leq z < 1.3$. 
Column~(2) Degradation rate of the asymmetry, $\Delta A = \delta_A\Delta z$. 
Column~(3) Median asymmetry of sources with $z < 1$.
\end{table}