I don't have the numbers, but, for example, the Horne smelter is really the birthplace of several innovations. If you look in school books, you'll see the Noranda reactor and Noranda converter. Those are all innovations that were done at the Horne smelter. Even now, the new smelting process, which doesn't exist anywhere else in the copper industry, is being developed right here in Canada.
On April 17th, 2023. See this statement in context.