I'll ask Mr. Kremers to comment on this.
My guess would be it's unusual, except in the case of all the SINs we're now providing to children, who may receive them at five years of age. Parents buy the education grant for some time, discontinue it; five, six years pass, and they become dormant. Then they enter the workforce and they have the issue of dealing with a dormant SIN, which is something they can deal with if they provide us with a birth certificate.