Given this set of top-level tasks, where one itself is a subtask:
Here’s what the three (no subtasks filter, don’t show subtasks, only show subtasks) dashboard counts show:
There isn’t a way to show in a dashboard chart a count of 3 top-level tasks (regardless of whether they’re subtasks or not).
See also More tasks appear on the dashboards than actually exist which started this discussion.
Thanks,
Larry

