\begin{table}%t4
%%\centering
\par
\caption{PICSIT veto efficiency} 
\label{table:PICSITeff}
\begin{tabular}{lccccc} \hline\hline
Config & Before & After & Change & Dead & Veto \\
       &        &       &        & Time & Effect \\ \hline
No veto  & 4850 & 4850 &  0\% &   0\% & 0\% \\
Zone C   & 4850 & 3400 & 30\% & 1.8\% & 28.2\% \\
Zone D   & 4850 & 3100 & 36\% & 2.4\% & 33.6\% \\
Zone All & 4850 & 2750 & 43\% & 4.2\% & 39\% \\ \hline
\end{tabular}
\end{table}