Watch Out for Snack Food

People are correctly paying a great deal of attention to just how many calories it is possible to consume at American restaurants these days. The New York Times, in fact, recently showed just how many calories people typically consume at Chipotle:

But as the folks at Vox pointed out in a follow-up post, in focusing our attention on those calorie packed entrées, we shouldn’t forget about another very important source of calories – snacks! In fact, according to one study, by David Cutler, it is snack calories that changed the most in the US between 1977 in 1996:

Does anybody have any more recent data than this? With so many more people eating out for meals now, I wonder how this has changed.