These graphs and stats are oh so misleading. For example: how many of those PC developers are 5-man indie teams?
And the increased power of the PC they tout so much comes at an equally increased price. High end video cards have become more expensive over time. Back in 2000, the most powerful cards cost about as much as a console, and matched their capabilities, but that didn't factor in other components. And it's only gotten worse, as a Titan with the system to support it will cost you $1500+, with emphasis on the +.
For the price, you simply can't beat a PS4.
Get over it Nvidia, you failed to compete for the mass market, try harder next time. Stop with these stupid graphs and stats that don't take into account the full picture.