As of this morning, Mesa in 2016 so far has seen a net gain of 75,932 lines of code (217519 additions, 141587 deletions) across a total of 1504 commits.
The Mesa Git repository is up to a total of 4,880 files with a total line count of 1,778,584. There have been 77,291 recorded commits from 757 authors.
The pacing of Mesa activity so far has been roughly on par to slightly lower than prior years... So far this year there were just under 600 commits each month while this month is down at under 400 commits. This time last year there were more than 750 commits in February and March.
The most prolific Mesa contributors this year so far include Marek Olšák, Ilia Mirkin, Brian Paul, Nicolai Hähnle, Kenneth Graunke, Timothy Arceri, and others with seeing about three to five dozen Mesa contributors per month.
If you want to dig through all of the current Mesa Git statistics, see the GitStats results as of this morning.