No idea on the times, but there was an article on this just a few days ago: http://www.thestar.com/news/privacy-blog/2015/03/what-your-canada-border-services-agency-file-looks-like.html
I did apply last year. Although I requested for electronic reply, but it came by mail, answer given due to security reason , cannot sent by email.
It took about 25 days.