\begin{table}[htbp]
\centering
\caption{DADOS-Laplace2DNU-NU8.}
\begin{tabular}{ccccc}
\toprule
$N$ & $l_1$ & $l_{\infty}$ & $p_{E}^{*}$ - $l_1$ & $p_{E}^{*}$ - $l_{\infty}$
\\ \midrule

   5&8.0141477503E-03&3.3147573025E-02&&\\
   9&2.3058872853E-03&1.3258750310E-02&1.7972271139E+00&1.3219584419E+00\\
  17&5.4560912963E-04&3.3809441979E-03&2.0793823038E+00&1.9714466921E+00\\
  33&1.3004667882E-04&8.9615818167E-04&2.0688382294E+00&1.9156008936E+00\\
  65&3.1631509482E-05&2.2417737920E-04&2.0395952464E+00&1.9991126969E+00\\
 129&7.7935537862E-06&5.6052674755E-05&2.0210091655E+00&1.9997855860E+00\\
 257&1.9336595268E-06&1.4013585408E-05&2.0109475419E+00&1.9999570982E+00\\
 513&4.8154313945E-07&3.5033524265E-06&2.0055968376E+00&2.0000180886E+00\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
