Badges for "years of service" indicate how many years have passed since the contributor opened their FAS account. To prevent getting too many badges, years of service badges should replace each other (when a year passes, for example).

Each number should have a different artwork, and if we want to be future-proof we can add badges with higher values than FAS's own age (tho, for going past 10 we should probably use a 5 years interval).