We all knew this already..
This Insider Gaming article talks about a recent report that PC gaming bigger than console platforms in both content and revenue:
A recent report published by Epyllion sums up the state of the games industry in more than two hundred pages. This gargantuan analysis examines everything from consumer spending to hardware records, giving readers critical insights into the last decade or so of gaming knowledge. It reveals that, based on key data points from multiple sources, PC gaming has become increasingly powerful over the last decade or so, breezing past console platforms and generating more content spending and revenue.