I budget my rounds per session and I know how often I shoot each gun so that part is easy. In addition I keep a running tally of my ammo inventory so it backs up my round count.
Good intentions will always be pleaded for any assumption of power. The Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern will, but they mean to govern. They promise to be good masters, but they mean to be masters.