\begin{tabular}{lcccc}
\toprule
Region & A4 premium (\%) & 95\% CI & A2 premium (\%) & Residual IQR \\
\midrule
Bas-Saint-Laurent & 3.7 & [-2.5, 9.9] & 2.7 & 0.168 \\
Abitibi-Témiscamingue & 3.0 & [-0.1, 6.2] & 2.8 & 0.158 \\
Gaspésie–Îles-de-la-Madeleine & 2.7 & [-1.1, 6.5] & 2.1 & 0.154 \\
Mauricie & 2.4 & [-0.6, 5.4] & 2.0 & 0.131 \\
Saguenay–Lac-Saint-Jean & 2.3 & [-1.5, 6.1] & 2.5 & 0.156 \\
Outaouais & 2.1 & [-0.7, 4.9] & 1.4 & 0.137 \\
Estrie & 1.5 & [-1.9, 4.9] & 0.7 & 0.148 \\
Montérégie & 1.3 & [-1.4, 4.0] & 0.4 & 0.159 \\
Centre-du-Québec & 1.2 & [-2.4, 4.9] & 1.0 & 0.154 \\
Chaudière-Appalaches & 1.1 & [-3.3, 5.6] & -0.1 & 0.166 \\
Laval & 1.1 & [-3.2, 5.3] & 0.7 & 0.131 \\
Côte-Nord & 0.9 & [-2.0, 3.9] & 0.6 & 0.129 \\
Capitale-Nationale & 0.0 & [-3.2, 3.2] & 0.9 & 0.143 \\
Laurentides & -0.5 & [-4.0, 2.9] & -1.3 & 0.149 \\
Lanaudière & -1.0 & [-6.2, 4.1] & -0.8 & 0.147 \\
Montréal (reference) & 0 & -- & 0 & 0.166 \\
\bottomrule
\end{tabular}