Its sad to hear that you need to replace your corals. Hope you take better care of them.
Anyway, for SPS reefers, we go to every shipment and buy back lots of stuff because for SPS, we can stick them very close to each other unlike LPS or softies.
Most of the almost fully stocked tanks have 100-200 specimens and being SPS reefers, not many tend to buy them for replacement as we take exceptionally good care of the water quality and all