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There's a bigger problem there. For the current year, the quantity could change. Old, incorrect values would outweigh new, correct values. So, you still wouldn't get the right answer.

"Who, what, when and how do" queries can be answered with current AI techniques but "how many" queries are much harder.

I have not looked at Freebase in a while, but, theoretically they could -- assuming all the info is populated in freebase.

It'd be interesting if search engines allowed a rudimentary query language for stuff like that.