Also I believe that this is the kernel build counter, and it's the same counter that's used since Win95. Someone has published a list:
https://www.gaijin.at/en/lstwinver.phpedit: it's not the kernel build counter and MS has cheated with it in the past, but it has stayed sequential across the whole NT tree (as this is where any post-2K Windows originates). https://www.howtogeek.com/140411/learn-the-secrets-of-the-wi...