\begin{tabular}{c|cccc}
Stage & $\Nseg$ & $\Tcoh^{\rm days}$ &$\Nsteps$ & $\Vpe$ \\ \hline
0 & 20 & 5.0 & 25 & 60.0 \\
1 & 7 & 14.3 & 25 & $5{\times}10^{2}$ \\
2 & 2 & 50.0 & 25 & $5{\times}10^{3}$ \\
3 & 1 & 100.0 & 25,25 & $1{\times}10^{4}$ \\
\end{tabular}