The adults' section is starting to grow again as high schoolers drop off into Open teams.
It also was growing through "virtual teams" where social players formed teams with friends before branching into competitive ones.
"Rugby and netball are the major winter codes so we're playing around them," he says, adding there were 100 teams when he became GM nine years ago with a turnover of $69,000 but this year there are 1000 teams with a turnover of $1 million.
"It's frustrating when people go ra-ra about 1500 at an event because we tend to do that every week."
The code has about 3500 registered players but they anticipate it'll mushroom to 4000 soon.
China, he points out, has 400 million registered basketballers, a code that boasts a 50 per cent split in gender participation.
Trass lauded former Olympian, Tall Fern and Bay professional basketballer Kirstin Daly-Taylor for rolling her sleeves up to coach to coach rep girls with the help of past players Jo Richards and Carley Glock.