You need to be on the ULTIMATE plan or the PRO plan with the "Analytics" feature selected.
This feature allows you view analytics related to a specific team (workspace). The Analytics module focuses on actionable insights, rather than vanity metrics.
1. Click on the menu icon in the top left corner:
2. Select option "Team settings":
3. You may select the option to view: 1 month, 3 months, and 1 year:
4. There is also a section for the current week:
Customer support service by UserEcho