Originally Posted by Thrice

I just took the figures from the article. It is hard to put it either way because people grow both ways on the black market, but Indoor growth is far more popular for safety reasons, yet one could argue is counterbalanced by quantity of outdoor growth. Thus meaning you can only fit so much into a house as opposed to a field. So I guess both of our ideas cancel out providing there is really no information on the number of plants grown indoors vs outdoors.