Year 5 for me without owning or purposefully endulging in watching a television.
There's a lot of other factors involved, but I lend a great amount of positive results to the lack of TV. I've experienced better mental focus, better vision, less irrational decision making, just to skim the surface. I can't prove any of this, but I have no reason to disbelieve that this experiment was indeed 100% succesful.
TV off; brain ON.
