These are undoubtedly very nice numbers. But the number of users is probably not the best measure of community growth. In my experience, comunities tend to have a small number of active users while most of the rest log in once and then forget about it. Are there statistics available on user activity as well?
Edit: I just noticed Ben's comment showing the growth in number of reactions. This is more significant, I think. But what about number of posts, comments, views per post etc.?
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