With the PS4 & XBO both having weaker Year 6s than those of their immediate predecessors, it'll be interesting to see what their legs will be like in the future, and if their combined sales will stay ahead of combined PS3+360 sales. Of course, it is worth pointing out that the PS3's 2012 followed a $50 price cut that was issued in August 2011, and as a result the PS3 actually had a smaller drop than the 360 for most of 2012. The PS3 was to date only the second system to receive a price cut in Year 5 or later, the first being the PS2. It remains to be seen if the PS4 and/or XBO will join them in that distinction.
More charts available upon request.