1. Locate the Insight:
E.g. Mailboxes / Top Senders and Receivers
2. Click Add Filter, All Reports - Country or Region | Equals Canada (or the country of your choice)
3. That Insight (Report) by default will display a Top 10.
Note: To get it to run for weekly, click on "Yesterday" (Default for the report), and click 7 Days.
4. Click "Save" at the top right of the screen.