silverstripe-cms/templates/Includes/StatisticsAdmin_left.ss

<div class="title"><div>Report Types</div></div>

<div id="treepanes">
	<div id="sitetree_holder" style="overflow:auto">
		<ul id="statsleft_tree" class="tree unformatted">
			<li><a href="$baseURL/admin/showtype/$ID">Overview</a></li>
			$SiteTreeAsUL
		</ul>
	</div>
</div>