Sure, Dick specifically wrote about incidents 'inside the Bankstown control zone'. But I think the argument to include the 2RN collision last year in the data is a valid one. OK, it's technically not in the 'GAAP' airspace itself - but inbound reporting points are an integral part of the way the GAAP system works. A complete review of GAAP safety needs to take the whole set of procedures into account, which I think includes the bits about how you get into that particular type of airspace.