How many records has twenty one pilots sold?

Related questions

1. Where was twenty one pilots stressed out filmed?
2. Are Tyler Joseph and Josh Dun related?
3. Why does Tyler have a black neck?
4. Why does 21 pilots wear yellow tape?
5. Is Twenty One Pilots a pop band?
6. What triggers stress?
7. Why do we stress out?
8. What does it mean to be stressed out?
9. What is the meaning of stressed out?
10. Why does Twenty One Pilots singer have a black neck?

Tags

1. #album
2. #twenty
3. #vessel
4. #blurryface
5. #sales
6. #follow
7. #their
8. #debut
9. #released
10. #peaked
11. #first
12. #powered
13. #latter
14. #billboard
15. #fourth
16. #breakthrough
17. #chart
18. #copies
19. #pilots