Average salary increase of 10% sounds like it somewhat answers what you were asking.

Here's another relevant tidbit:

https://www.livemint.com/Money/5wpK2P8H02D3ujDFYHzfBI/Number...

Anecdotally, in my company, an annual salary bump of just 10% is considered a punitive action.

Edit: looks like the wealthy are getting more wealthy and the poor are getting more wealthy, but not as much.