Statistics
Recording and maintenance
Statistics are kep for the specified number of days. Statistics are written on certain events. So if you need monthly statistics, you should keep events for 40 days for example, so you can generate statistics each 1st of a month for the last month.
Reporting
You can specify for which time you want to receive statistics and then click the button to have them sent to the admin email address specified in the "Admin notifications" configuration dialog.