Canadian Brands

I'm looking at Business Week/Interbrands "100 Top Brands". For example #1 is Coca Cola from the U.S., #5 is Nokia from Finland, #21 is Samsung from South Korea, #24 is Nescafe from Switzerland, #38 is IKEA from Sweden, #42 is Philips from the Netherlands, #46 is Gucci from Italy, #50 is Accenture from Bermuda. I look down the list, down the list...

There are no brands from Canada in this list.

Why is that? My wife bought me this book called, "Why Mexicans don't drink Molson". I'm looking forward to reading it to see if there's a good answer there or not.