APPEA has some stats from which I calculated that Iona produced 28BCF & 85kb over a 10 year period. Here is the site: http://www.appea.com.au/index.php?option=com_content&task=blogsection&id=7&Itemid=32
The ASX can overlook its Telecomm small-caps. Here’s one diversified brand with an international footprint