Due to various reasons, the system wasn't run in certain weeks. This means nobody leaves and nobody
enters, regardless of their participation within the subreddit.
Week 6: An Easter Amnesty
Week 12: The Incident
Week 36: Change of Plans
Week 42: The Christmas Reprieve
Week 55: Busy Times
Week 65: A Small Delay
Week 95: New Year's Skip
Week 107: The Occasional Setback
Weeks 111-114