Unable to see Values BU wise Head count

Summary:

unable to see Business unit wise Count while select column Head Count and Business Unit Name.

Content (required):

In subject Areas "Workforce Management - Worker Assignment Real Time" when i select only column "Head Count" not showing any Data. However, when we only select BU then system show the data.

Is there any option need to check to see BU wise head count.

Version (include the version you are using, if applicable):

21d

Code Snippet (add any code snippets that support your topic, if applicable):