This could actually be one of the following questions. Answer as many or as few as you have a guess about.
What percentage of _____'s made are still operational?
1. Pong Machine
2. Atari 2600
3. Intellivision
4. ColecoVision
5. NES
6. Master System
7. Turbo Grafx 16
8. Sega Genesis
9. SNES
10. PlayStation
11. Nintendo 64
12. Sega Dreamcast
13. PlayStation 2
14. Xbox
15. GameCube
16. Xbox 360
17. PS3
18. Wii
19. Any other consoles of note