Creating a Report that ONLY shows rows with Attachments

Is there a way to filter out rows that show up in my report that do not have attachments?



I'm building a report that shows my subcontractors any row that's had an attachment added to it in the last 7 days, but I can't seem to find a way to get the Report Builder to only show rows with attachments added. 

I realize I could add a checkmark column named "Attachment?" or something to every sheet the report pulls from, but I'd rather not if possible.

Answers