\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&7.8141334005E-07&3.3858689326E-06&&\\
   9&1.6183092400E-08&1.9742661780E-07&5.5935266636E+00&4.1001377098E+00\\
  17&4.4851713020E-10&2.1058722188E-08&5.1731804190E+00&3.2288267090E+00\\
  33&5.0512057257E-11&2.6880202316E-09&3.1504633808E+00&2.9698019966E+00\\
  65&2.5803803969E-11&3.4531621218E-10&9.6904403924E-01&2.9605540231E+00\\
 129&&&&\\
 257&&&&\\
 513&&&&\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
