In the archive the free-to-air Television industry in Australia These pages are no longer updated by Screen Australia. Use with caution as methodologies may have changed and revisions may have occurred. Ongoing updates may be available from the original source, see Other data sources. Data from the Australian Communications and Media Authority Overview of advertising revenues, markets and ownership, 1999/00–2005/06 Advertising revenue, 1965–2005 Operating costs, 1994/95 and 2005/06 Revenues, 1994/95 and 2005/06 Profit margins, 1957/58–2005/06 Ratings data from OzTAM Trends in audience share, 1983–2009 By network, 1983–2009 By network and market, 2000–2009