\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&2.1354014414E-02&8.5888383278E-01&&\\
  65&2.1212769294E-04&8.5058183708E-03&6.6534305275E+00&6.6578691558E+00\\
 129&1.3201032235E-06&7.3245907680E-05&7.3281384211E+00&6.8595580814E+00\\
 257&7.2549124433E-09&6.8111472148E-07&7.5074768250E+00&6.7487065322E+00\\
 513&4.6409820036E-10&8.8328907391E-08&3.9664561948E+00&2.9469402437E+00\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
