I don't think I've seen a single Rambo all the way through nor do I remember the premise of any of the movies, but I still found these kill counts amusing. Notice the near doubling of deaths each sequel. Yo, Adrian!!! Yeah, I know, wrong movie, but come on, is there really a difference?
Here's a graph showing kill counts (mostly for my own entertainment):
Mr. Rambo may have gotten more violent in the latest installment, but it looks like he also grew more modest.