Allow admin user to view "system information" details

Summary

On-prem allows users to view basic Confluence data such as:

• Total Spaces - total number of spaces, including site spaces and personal spaces
• Site Spaces 
• Personal Spaces
• Content (All Versions) - total number of content versions (includes the latest version and all historical versions). Content includes pages, comments, blogs, attachments, personal information, space description, personal space description, spaces, and drafts. Content in your trash will also contribute to this count
• Content (Current Versions) - total number of content (only counts the latest version). See earlier point for what is considered content. Content in your trash will also contribute to this count
• Local Users
• Local Groups

Expected Result

It would be helpful to be able to view all or most of these details from a similar screen in the UI

Similar to how this works for Data Center: Managing Confluence Data

Actual Result

The data is not visible. Users will often contact Support to run SQL queries in order to obtain usage details:
What are the SQL queries used to get the numbers for "Confluence Usage" in "View System Information"