\begin{tabular}{c | c | c}
{\bf Benchmark} & {\bf Easy} & {\bf Moderate} & {\bf Hard}\\ \hline
Car (3D Detection) & 5.61 \% & 4.06 \% & 3.17 \%\\
Car (Bird's Eye View) & 18.67 \% & 13.07 \% & 10.34 \%
\end{tabular}