\begin{tabular}{lrrrrrr} \toprule Adjustment & MdAPE 2024 & MdAPE 2025--26 & MAPE & Bias & Within $\pm10\%$ & Coverage \\ \midrule none & 18.9 & 17.9 & 30.4 & -4.2 & 31.0 & 99.8 \\ time only & 18.8 & 17.6 & 31.1 & -0.8 & 31.7 & 99.8 \\ conventional grid & 14.1 & 13.4 & 26.4 & 0.7 & 39.7 & 99.8 \\ hedonic grid & 13.8 & 13.0 & 25.1 & -0.5 & 40.4 & 99.8 \\ regional grid & 13.8 & 13.1 & 25.2 & -0.5 & 40.4 & 99.8 \\ local grid & 14.3 & 13.5 & 25.7 & -0.4 & 39.4 & 99.8 \\ GBM adjustments & 12.7 & 11.9 & 24.1 & -0.6 & 43.6 & 99.8 \\ assessment ratio & 12.0 & 11.5 & 22.5 & -0.1 & 40.6 & 90.3 \\ \bottomrule \end{tabular}