\begin{table}[htbp]
\centering
\caption{DADOSA-PSNUp20a.}
\begin{tabular}{ccccc}
\toprule
$N$ & $l_1$ & $l_{\infty}$ & $p_{E}^{*}$ - $l_1$ & $p_{E}^{*}$ - $l_{\infty}$
\\ \midrule

   5&5.5245984959E-07&2.2710222550E-06&&\\
   9&1.2464596080E-08&1.2584125257E-07&5.4699615818E+00&4.1736650028E+00\\
  17&3.4529566159E-10&1.5676307646E-08&5.1738601145E+00&3.0049472397E+00\\
  33&1.0569156035E-11&1.9792660352E-09&5.0299001230E+00&2.9855483465E+00\\
  65&3.2374819035E-13&2.4891617487E-10&5.0288442409E+00&2.9912336530E+00\\
 129&&&&\\
 257&&&&\\
 513&&&&\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
