I was just checking out the cool Google Ngram Viewer, and played with it for a bit. Here’s a cut of the data:
Cabernet is still a much more popular grape than Pinot Noir – at least in books… though around 1980, Pinot Noir for some reason became quite popular…
But then, if you added in the Bordeaux and Burgundy cut, you get the opposite answer.
Haha what would you get from that?