\begin{tabular}{lrrrr}
\toprule
{} & Gridcell & BS not gridcell & NSi & NSni \\
entity & & & & \\
\midrule
1833 & 94 & 165 & 16 & 52 \\
1834 & 14 & 216 & 4 & 7 \\
1839 & 19 & 70 & 11 & 5 \\
1849 & 8 & 229 & 8 & 23 \\
\bottomrule
\end{tabular}