Technically, the Australian Film Institute (AFI), as one of the directors kindly eMailed me; why they copied the American Film Institute's abbreviation is beyond me. Let's see: 50,000 films vs maybe 5,000 films, which has the richer history?

All Best Picture Winners (Only films produced in Australia)
2008 - The Black Balloon
2007 - Romulus, My Father
2006 - Ten Canoes
2005 - Look Both Ways