\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&2.3836077934E-01&9.5110728308E+00&&\\
  33&1.6060393703E-02&6.3799323730E-01&3.8915677051E+00&3.8979950468E+00\\
  65&7.6854109801E-05&4.7738631185E-03&7.7071691334E+00&7.0622401209E+00\\
 129&1.0618018419E-07&4.7360310347E-06&9.4994640512E+00&9.9772629503E+00\\
 257&5.6179106093E-09&6.2230343207E-07&4.2403370701E+00&2.9279884268E+00\\
 513&3.7720880658E-10&8.0618134738E-08&3.8965984052E+00&2.9484418938E+00\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
