OTBI Analysis Subject Area to Extract Employee Data for Customer Creation

Summary:

What subject area(s) can be used to extract a list of Employees created in HCM who have not yet been setup as Customers in Receivables?

Content (please ensure you mask any confidential information):

What subject area(s) can be used to extract a list of Employees created in HCM who have not yet been setup as Customers in Receivables?

Tried exploring the Suppliers and Customers Real Time subject areas (using the Party Usage Code column) but can't seem to get the expected output.

Employee without customer record yet (data that needs to be extracted):

Employee with customer record (should be filtered out of the list):