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

   5&&&&\\
   9&&&&\\
  17&&&&\\
  33&&&&\\
  65&2.8884462778E-07&7.3751883885E-06&&\\
 129&1.8158503989E-08&9.6079338018E-07&3.9915764078E+00&2.9403817853E+00\\
 257&1.1291677279E-09&1.2234634525E-07&4.0073136425E+00&2.9732552053E+00\\
 513&7.5790933133E-11&1.5429192473E-08&3.8970907223E+00&2.9872365439E+00\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
