The frequency distribution for the given data is:
\[
\begin{array}{|c|c|}
\hline
\text{Age} & \text{Frequency} \\
\hline
20-29 & 2 \\
\hline
30-39 & 5 \\
\hline
40-49 & 3 \\
\hline
50-59 & 7 \\
\hline
60-69 & 4 \\
\hline
70-79 & 7 \\
\hline
80-89 & 2 \\
\hline
\end{array}
\]
\(\boxed{\text{Frequency Distribution Completed}}\)