\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&2.7279933043E-08&1.8851971612E-07&&\\
   9&4.9780545641E-10&2.0449670914E-08&5.7761142495E+00&3.2045658820E+00\\
  17&5.1861540781E-11&2.4263549028E-09&3.2628450700E+00&3.0752151329E+00\\
  33&2.6493793439E-11&2.8942292402E-10&9.6901064187E-01&3.0675394873E+00\\
  65&&&&\\
 129&&&&\\
 257&&&&\\
 513&&&&\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
