Perth is a bigger city than you think it is. It's just about the size of San Diego, if San Diego was proportionally 20% bigger. Or about the metropolitan area of Providence, RI (which includes Southeastern Massachusetts).
Anyways, 3,400 is no small tally to snuff at. I'm guessing that well over a 1,000 came over to your little table, cramped around having a good time. Hey, do you think you'll be able to travel anywhere this year? We have AnimeBoston in April, they got around 15,000 attendants last year. New York Anime Festival in September held 21,000...