So only Canada has done it, albeit only once, to Rwanda. No other advanced country has done it.
Dr. Kilby, if I could explore a little further, you mentioned that today, in 2010, over five million individuals in Africa are receiving HIV/AIDS medication. I think the way you positioned that was that compared to previous years that demonstrates tremendous progress. It's certainly something we all celebrate.
With respect to those 5.2 million people who are currently receiving medications, could you explore a little further exactly where those medications have come from? Through which mechanisms have those medications come, and from which sources and source countries?