The bars on this graph summarize the total number of edit-a-thon participants who created new user accounts as part of the event and the 6-month retention rates for those new users. For all edit-a-thons reported, the total number of new user participants was 328, of which, only 3 were active editors (i.e. 5+ edits per month) 6 months after the event. See the original version here.