\begin{center}
\begin{tabular}{ccccc}\toprule
Protected & Fault
 &  \multicolumn{2}{c}{Rob 3}&Rob 1\\ 
registers& type & 
$\nu_{ev}$&$\nu_{pot}$ 
&$\nu_{ev}$ = $\nu_{pot}$ \\\midrule
\multirow{2}{*}{character} &
SEU      &  77\% & 100 \% &  7\%  \\ 
& MEU    &  8.5\% & 100\% &  0\%      \\\midrule 

\multirow{2}{*}{state} &
SEU    & 74.77  \% & 100\% & 46.64\%  \\ 
& MEU   & 8.5\% & 100\% & 0\%   \\ \midrule 

\multirow{2}{*}{shiftreg} &
SEU   &     100\% & 100\%  &49.73\%  \\ 
& MEU &     100\%  & 100\%  &1.96\%  \\ \midrule 

\multirow{2}{*}{start} &
SEU   &     82.88\% & 100\%  &30.89\%  \\ 
& MEU &     100\%  & 100\%  &0\%  \\ \midrule 

character/&
SEU&           56.42\% &100\% &  7.84\%  \\ 
state& MEU & 8.56\% & 100\% &  0\%  \\ \midrule 

character/ &
SEU&              100\% & 100\% &  13.16\%  \\ 
shiftreg& MEU &  100\% & 100\% &  1.96\%   \\ \midrule 

state/ &
SEU&              100\% & 100\% &  98.12\%  \\ 
shiftreg& MEU &   100\% & 100\% &  15\%  \\ \midrule

state/ &
SEU&              73.37\% & 100\% &  44.62\%  \\ 
start& MEU &   8.53\% & 100\% &  0\%  \\ \midrule

character/ &
SEU&              76\% & 100\% &  3.25\%  \\ 
start& MEU &   7.8\% & 100\% &  0\%  \\ \midrule

shiftreg/ &
SEU&              100\% & 100\% &  47.87\%  \\ 
start& MEU &   100\% & 100\% &  3.45\%  \\ \midrule

shiftreg/ &
SEU&              100\% & 100\% &  100\%  \\ 
state/start& MEU &   100\% & 100\% &  100\%  \\
\bottomrule
\end{tabular}
\end{center}