Change the time period covered by your report, to focus on a specific time of activity.
Go to the Marketing Activities (or Analytics) area.
Select your report from the navigation tree and click the Setup tab.
Double-click the time frame field, labeled differently depending on report type:
Person Created At refers to the moment the person became known in your database.
Choose the appropriate time frame from the drop-down menu.
To set specific dates, select Custom from the drop-down menu and enter the dates in the From and To calendar fields.
Click the Report tab to see your report for the selected time frame.