Tabella fuori dai margini

Sto creando tabelle per la mia tesi di laurea.
Purtroppo vanno oltre i margini richiesti e non so come fare.

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\documentclass[12pt,twoside,openright]{book}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\linespread{1.5}

%\usepackage{layaureo}

\usepackage{geometry}
\geometry{
a4paper,
left=2.5cm,
right=2.5cm
}

\usepackage{tabularx}
\usepackage{booktabs,ragged2e,array}
\usepackage{multirow,multicol}
\renewcommand\tabularxcolumn[1]{>{\Centering}p{#1}}
\newcolumntype{L}[1]{>{\raggedright\arraybackslash}p{#1}}
\newcolumntype{C}[1]{>{\centering\arraybackslash}p{#1}}
\newcolumntype{R}[1]{>{\raggedleft\arraybackslash}p{#1}}

\begin{document}

\begin{figure}[!h]
\centering
%\begin{table}[]
\begin{tabular}{lcccccc}
\multicolumn{7}{c}{\textbf{Geographic Characteristics}} \\
& \multicolumn{2}{c}{Suitability for Agriculture} & \multicolumn{2}{c}{Altitude} & \multicolumn{2}{c}{Precipitation} \\
& (1) & (2) & (3) & (4) & (5) & (6) \\
Sample falls within: & 25 km & 50 km & 25 km & 50 km & 25 km & 50 km \\
\textbf{Inside SAG Catchment} & \begin{tabular}[c]{@{}c@{}}2.601\\ (1.604)\end{tabular} & \begin{tabular}[c]{@{}c@{}}1.461 \\ (2.391)\end{tabular} & \begin{tabular}[c]{@{}c@{}}-1.782\\ (3.000)\end{tabular} & \begin{tabular}[c]{@{}c@{}}-9.711 \\ (5.980)\end{tabular} & \begin{tabular}[c]{@{}c@{}}1.806\\ (1.003)\end{tabular} & \begin{tabular}[c]{@{}c@{}}2.484\\ (1.031)*\end{tabular} \\
Observations & 172 & 142 & 172 & 142 & 172 & 142 \\
Mean & 41.53 & 40.93 & 45.08 & 54.41 & 45.48 & 43.84 \\
\textbf{Inside SACA Catchment} & \begin{tabular}[c]{@{}c@{}}0.846\\ (2.026)\end{tabular} & \begin{tabular}[c]{@{}c@{}}4.598 \\ (5.713)\end{tabular} & \begin{tabular}[c]{@{}c@{}}-0.312 \\ (1.082)\end{tabular} & \begin{tabular}[c]{@{}c@{}}-5.120 \\ (3.049)\end{tabular} & \begin{tabular}[c]{@{}c@{}}0.212\\ (0.509)\end{tabular} & \begin{tabular}[c]{@{}c@{}}0.754\\ (0.476)\end{tabular} \\
Observations & 136 & 126 & 136 & 126 & 136 & 126 \\
Mean & 49.36 & 45.50 & 68.19 & 74.07 & 43.04 & 42.41
\end{tabular}
%\end{table}
\caption{Banana Catchment Boundaries and Geographic Characteristics}
\end{figure}

\end{document}

`

Questo è il codice e il restante parte del documento è stato fornito dal docente