DELETE FROM audit_events WHERE date_created > '2019-08-01 13:59:59' AND date_created <=  '2019-09-01 13:59:59';
DELETE FROM audit_events WHERE date_created > '2019-09-01 13:59:59' AND date_created <=  '2019-10-01 13:59:59';
DELETE FROM audit_events WHERE date_created > '2019-10-01 13:59:59' AND date_created <=  '2019-11-01 13:59:59';
DELETE FROM audit_events WHERE date_created > '2019-11-01 13:59:59' AND date_created <=  '2019-12-01 13:59:59';
DELETE FROM audit_events WHERE date_created > '2019-12-01 13:59:59' AND date_created <=  '2020-01-01 13:59:59';
