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To change the period that is being reported on you need to amend the formulas on the Formula's tab. You MUST define a date range that covers a full year though this can cover any month range
To do this double click on the date that you want to edit
Enter the date in the format yyyy,mm,dd.
The report will display the dates that it is reporting on underneath the title where it says 'Applications Settled Between". The date range must cover a full year.