We have not completed our analysis at this point in time. We're still in the process of looking into that. If you look at the labour force survey that was conducted by Statistics Canada, you will see that among the reasons for people not voting, it looks like voter ID was a barrier for 170,000 people who claimed that not being able to prove their ID or address was an issue for them, and therefore they did not vote.
On April 21st, 2016. See this statement in context.