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1\begin{table}[htbp]2\centering\small3\caption{Completeness of characteristics by year of sale, all raw rows (including land, non-residential and unmatched sales)}\label{tab:completeness_supp}4\begin{threeparttable}56\begin{tabular}{lrrrrrr}7\toprule8Variable (\% non-missing) & 2021 & 2022 & 2023 & 2024 & 2025 & 2026 \\9\midrule10Floor area & 79.6 & 81.6 & 86.5 & 88.8 & 88.2 & 85.2 \\11Year built & 69.8 & 77.0 & 86.4 & 88.9 & 88.4 & 85.3 \\12Lot area & 99.6 & 99.7 & 99.8 & 99.8 & 99.8 & 98.1 \\13Storeys & 90.8 & 90.1 & 91.2 & 91.6 & 92.0 & 92.9 \\14Physical link & 89.9 & 89.4 & 90.5 & 90.9 & 91.2 & 92.2 \\15Building genre & 86.3 & 85.6 & 87.0 & 87.4 & 87.8 & 88.8 \\16Provider style (banned) & 12.8 & 51.4 & 82.5 & 85.2 & 84.8 & 81.8 \\17Roll identifier & 98.8 & 98.8 & 99.1 & 99.4 & 99.5 & 99.3 \\18\bottomrule19\end{tabular}20\begin{tablenotes}\footnotesize\item The provider's building style is backfilled over time and is excluded from every model (time-correlated missingness). Lower shares in 2021 reflect the larger share of land and unclassified rows, not missing data in the headline sample (Table~\ref{tab:completeness}).\end{tablenotes}21\end{threeparttable}22\end{table}23