There's no official metric that keeps track of this sort of thing, but it's quite possible that the LS-series small-block has risen to global domination faster than any platform in the history of ...
Harken back to the heyday of the musclecar revolution and imagine using hindsight to sit across the desk at your favorite Chevrolet dealer to order up a 1967 Corvette with the legendary RPO code L88.
We know what you're thinking. It seems almost impossible to pick up so much horsepower (142.6 rear-wheel horsepower) from just a cam swap. There must be some sort of trickery or magazine inflation ...