My scope count is way down on the average here. Down Under is not known for its burgeoning second hand test equipment market.
Power supplies - well, they vary in style, but I would still be down, I think. 10 Multimeters? Even I can beat that - and that's not even counting the cheapies in the cars.
SA? I've often thought it would be nice - but I've never been able to justify the need, let alone the cost. Something cheap or even a fixer-upper doesn't show up around here very often - and if you're not looking in the right place at the right time.....
There is a wide range of "collections" held by members here. You are well within the *norm.
* That is, by our standards.