\begin{table}%t4
%\centering
\par
\caption{Data describing the external surviving protoplanets at the end
of giant planet migration.
\label{table:4}}  %
\begin{tabular}{c  c c c c c c c c c c c}
 \hline\hline \\[-3mm]
Scenario & $N$ & $\overline{m}_{{\rm proto}}~({M}_{\oplus})$
& $m_{{\rm max}}~({M}_{\oplus})$ &
$\overline{a}~({\rm AU})$ & $a_{{\rm min}}~({\rm AU})$ &
$a_{{\rm max}}~({\rm AU})$ & $\overline{e}$ &
$e_{{\rm min}}$ & $e_{{\rm max}}$ &
$\overline{i}~\degr$ & $i_{{\rm max}}~\degr$\\
 \hline
I & 39 & 0.11 & 0.25 & 5.43 & 0.45 & 37.92 & 0.51 & 0.15 & 0.99 &
8.85 & 40.45\\
II & 29 & 0.16 & 0.74 & 4.99 & 0.71 & 15.25 & 0.49 & 0.045 & 0.91 &
8.59 & 35.45\\
III & 33 & 0.21 & 0.64 & 4.68 & 0.37 & 12.22 & 0.46 & 0.059 & 0.89
& 8.32 & 43.97\\
IV & 31 & 0.41 & 2.35 & 5.16 & 0.43 & 8.92 & 0.50 & 0.086 & 0.94 &
5.81 & 41.93\\
V & 23 & 0.57 & 2.19 & 6.88 & 0.49 & 18.18 & 0.45 & 0.079 & 0.83 &
3.53 & 16.24\\
\hline
\end{tabular}
\end{table}