app/views/shared/stats/_age.html.erb
<div id="participants_by_age" class="stats-group">
<h4><%= t("stats.by_age") %></h4>
<table>
<thead>
<tr>
<th class="small-4"><%= t("stats.age") %></th>
<th><%= t("stats.total") %></th>
</tr>
</thead>
<tbody>
<% stats.participants_by_age.values.each do |group| %>
<tr>
<td><%= group[:range] %></td>
<td>
<strong>
<%= "#{group[:count]} (#{number_to_stats_percentage(group[:percentage])})" %>
</strong>
<div class="progress" tabindex="0">
<span class="progress-meter" style="width: <%= group[:percentage] %>%"></span>
</div>
</td>
</tr>
<% end %>
</tbody>
</table>
</div>