I don't have those numbers handy. I think it could be looked up. As brokers, we see a lot of first-time buyers, and there's no doubt there is an inordinate number of people who are making the minimum down payment.
Evidence of meeting #68 for Finance in the 42nd Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was changes.
A video is available from Parliament.