http://www.musicbusinessworldwide.com/us-album-sales-fall-4-in-first-half-of-2015-as-cd-rules-market-just/"The growth of vinyl album sales kept on keeping on: the format grew 38.4% to 5.6 million in H1 2015, taking a 5% share of CD/digital/vinyl formats.If you were to remove vinyl, CD unit sales would have counted for 51% of the total, with digital albums on 49%."