Once again, the literati are twittering about how books by women are reviewed — or ignored.

The feminist organization VIDA has released its latest annual tally of how many women were covered in ”the major literary publications and book reviews.” The study notes progress in some venues but finds persistent preference for men’s books in other literary magazines and journals.

But one indication of significant long-term progress in the treatment of books by women comes today from the National Book Foundation. Look at this graph, which has not been published elsewhere before:

(Courtesy of the National Book Foundation)
(Courtesy of the National Book Foundation)