How to create simple page, maybe it will be dashboard?
Where we can see all active jira user in rows.
And minimum one fields will be on colums where it will be a quantity of tickets by user as assignee.
Like this image:

Or better add several colums, where i can once tune it.
And it page must a work even when i add new user, also show users with zero issues.
How to simple make it by once?
Thanks.