That's a very good question, and a question I have not looked into, because the scope of the report was to estimate the cost. If I were to venture into how many icebreakers we need, that would be a much greater endeavour than just estimating the cost.
I think that's a policy issue, and the minister would be in a better position to answer your question, because it's subjective. As you mentioned, there are countries with bigger fleets than ours, but that also means higher costs. It's not for me to say what the appropriate number of icebreakers is.