The overview and the full list are built from the same values, and the overview prints any non-zero value. That suggests something specific to these rows or to your style is hiding the number. We need a little more detail to look into this.
Does the missing number still happen when viewing the page with the default XenForo style (no template or CSS customisations)? Is it on the Notable members overview page or a sidebar widget?
If you inspect an affected row in your browser's developer tools, is the number present in the HTML but hidden, or absent entirely?
Do the affected users belong to a user group with custom username CSS or other display styling? Which add-ons are installed that change how usernames or member stats are displayed?
This is an automated assessment. A member of staff may review and update it.