Breakdown:
By device type:
Mobile 53.7%
Desktop 44.1%
Tablet 1.9%
By browser:
Chrome 48%
Safari 36.2%
Edge 6.4%
Firefox 2.8%
My personal conclusions:
Tablets remain a niche product, Firefox is dead, and Edge will be dead in a few years if it can't eat more market share, which it won't.