\begin{tabular}{lrrrrr}
\toprule
Density & conventional grid & hedonic grid & regional grid & local grid & GBM adjustments \\
\midrule
\multicolumn{6}{l}{\emph{Anchor $(5,\,5\text{ km},\,12\text{ months})$}} \\
$<5$ & 27.1 & 25.3 & 25.3 & 25.9 & \textbf{24.5} \\
5--19 & 21.4 & 20.4 & 20.1 & 20.8 & \textbf{19.7} \\
20--49 & 16.2 & 15.4 & 15.3 & 15.9 & \textbf{14.6} \\
50--199 & 11.7 & 11.5 & 11.5 & 11.9 & \textbf{10.4} \\
$\ge 200$ & 10.4 & 10.2 & 10.3 & 10.7 & \textbf{9.2} \\
\midrule
\multicolumn{6}{l}{\emph{Anchor $(3,\,2\text{ km},\,6\text{ months})$}} \\
$<5$ & 30.0 & 28.6 & 28.6 & 29.5 & \textbf{28.0} \\
5--19 & 23.8 & 22.4 & 21.9 & 22.8 & \textbf{21.4} \\
20--49 & 17.7 & 16.9 & 16.6 & 17.4 & \textbf{15.5} \\
50--199 & 12.8 & 12.5 & 12.6 & 12.9 & \textbf{11.1} \\
$\ge 200$ & 11.1 & 10.8 & 11.0 & 11.4 & \textbf{9.8} \\
\bottomrule
\end{tabular}