Our largest companies tend to be integrated in North America. Some are based in Canada, like Agrium and the Potash Corporation. Some are based in the United States, but have very significant assets in Canada. I think one of the interesting things about our industry is that senior executives from those companies tend to move back and forth across the border, which is a good thing for Canada, because we have very significant executives in positions of influence in the United States in their industry and vice versa. There is a wide range of people who move.
For example, there are kinds of welding trades that we need on an occasional basis to do renovations of our facilities. Canada is not a big enough country to have large numbers of those skilled trades, so from time to time, it's important for us to bring them in on an occasional basis, as well as scientists, engineers, and other people like that.