Every week, “Charts & Graphs” looks past the weekend box-office numbers to examine other lists of movies that are popular right now, as assessed by the likes of iTunes, Amazon, Box Office Mojo, and other services.

Earlier this week, The Wrap ran an article by Jordan Zakarin about the recent trend in the documentary business toward non-theatrical distribution, from the common VOD outlets to the special deals being struck by the likes of CNN, HBO, and Netflix to carry some of the bigger titles that emerge from the festival circuit. The question the Wrap article asks is whether documentary filmmakers are making any money thanks to these new markets. With the help of the site The-Numbers.com, The Wrap prepared the following graph:

A few notes: