I'll do my best to answer your question. I'm not familiar with the specific data you're making reference to, but I can talk a bit about the data we have at our fingertips, which inform the position around youth access. One of the Health Canada surveys that Ms. Bogden is referring to is called the “Canadian Tobacco, Alcohol and Drugs Survey”. It's a survey that's issued every few years. It allows us to track use longitudinally.
The most recent data come from the 2015 survey, and this is the data that is often described: for 15- to 19-year-olds, 21% report use, and for 20- to 24-year-olds, 30% report use. When we look at this survey over the course of the past decade, we see that the levels have been relatively unchanged.
To the second part of your question about what confidence we have that in moving to a new controls framework we might see those rates decrease, I think the experience in Canada in terms of tobacco control is perhaps illustrative, insofar as you have a fairly aggressive regulatory regime coupled with a number of other education, prevention, cessation, and policy interventions—