\begin{table}[htbp]
\centering
\caption{DADOSA-Laplace2DNU.}
\begin{tabular}{ccccc}
\toprule
$N$ & $l_1$ & $l_{\infty}$ & $p_{E}^{*}$ - $l_1$ & $p_{E}^{*}$ - $l_{\infty}$
\\ \midrule

   5&1.0865134808E-10&4.6836138316E-10&&\\
   9&4.5827633864E-11&1.6772097414E-10&1.2454163701E+00&1.4815590145E+00\\
  17&2.7671530024E-11&1.1850918685E-10&7.2781538338E-01&5.0106421323E-01\\
  33&&&&\\
  65&&&&\\
 129&&&&\\
 257&&&&\\
 513&&&&\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
