I think it's also important to keep in mind—again, I can be corrected if I'm wrong—that in the first year of the new Parliament, the House did experience a bunch of new costs, some of which weren't anticipated, largely because of the 30 new members. You might have seen some of that in the supplementary estimates (B) last year, but it wouldn't have been in the main estimates last year. You would see an increase this year as a result of that.
On November 9th, 2017. See this statement in context.