Payroll Balances Real Time not returning zero values

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We are using the folder Payroll balances Real Time to bring back for a payroll run those people who have zero gross pay, however, although in the person results when I look at the balance results I can see that there is a zero value, when I build a report it does not show zero values.

Is there an additional step that I have to do, or are zero values suppressed in the folder?