I know that indeed at municipal levels there are a lot of initiatives going on to actually track and measure this. There is quite some knowledge gained as to how to do that. I could connect you to people who would give you a really direct answer on that one, because I know there are advances being made. But couch surfing will be an issue. It's hard because these are the people we don't find with Stats Canada surveys or in administrative databases.
On October 20th, 2016. See this statement in context.