\begin{tabular}{lrrrrrrrrr}
\toprule
Density & $n$ & M2 & M7 & M8a & M13 & M0 & M10 & M11b & M12 \\
\midrule
$<5$ & 9,177 & 32.9 & 25.3 & 25.9 & 19.6 & 22.9 & 23.6 & 15.9 & 16.0 \\
5--19 & 15,149 & 27.7 & 20.4 & 20.8 & 16.5 & 17.8 & 18.9 & 13.0 & 13.0 \\
20--49 & 15,553 & 22.2 & 15.4 & 15.9 & 13.4 & 13.3 & 15.1 & 10.4 & 10.4 \\
50--199 & 56,442 & 16.1 & 11.5 & 11.9 & 10.4 & 9.8 & 12.9 & 8.0 & 8.0 \\
$\ge 200$ & 27,989 & 14.0 & 10.2 & 10.7 & 9.3 & 8.5 & 11.3 & 7.4 & 7.3 \\
\bottomrule
\end{tabular}