Zoos around the world are selling monkey books to raise money. https://cdn.kastatic.org/ka-perseus-graphie/bb2410c04361dee54232fd2b3ffc0cedf808735e.svg = 1 monkey book https://cdn.kastatic.org/ka-perseus-graphie/f76b6e02a239bef197085e94b43d29e496a09e5e.svg Complete the chart using the picture graph to show how many books each zoo sold. \begin{tabular}{|l|l|}
\hline
Zoo & Monkey books \\
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San Diego & \_ \\
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Madrid & \_ \\
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Tokyo & \_ \\
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Chester & \_ \\
\hline
\end{tabular}