current averages yes. but look in 5-10 years as supporters of AFL grow in these huge markets, The AFL isnt looking at now they are looking at the future.
An example is to look at junior numbers in these regions since the introductions of these teams, they are growing the sport in areas dominated by NRL. Tasmania already loves AFL so their isnt anything to gain for them.
examples. http://www.aflq.com.au/2016-participation-numbers-grown-in-queensland/
http://www.goldcoastfc.com.au/news/2017-11-30/grassroots-afl-on-the-rise
http://aflnswact.com.au/participation-numbers-2017/
http://www.footyindustry.com/?page_id=3243
http://www.afl.com.au/news/2017-11-30/football-participation-hits-record-numbers