\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}