Who put out the top rock albums of the year?

Metallica's "Hardwired... To Self-Destruct" is number one on both the Billboard year-end Top Rock Albums and Hard Rock Albums charts.  The disc sold over a million units in 2017 and was the only rock album to sell over 800-thousand copies. On the Hard Rock chart, Linkin Park was number two followed by Foo Fighters, Queen and G N'R.  On the Rock Album chart, Imagine Dragons was number two, with 21 Pilots in third place. Panic! at the Disco and Linkin Park were also in the top ten.