All of these track the stats during a given year, so that they can be compared to stat collected during previous years.
Check out all the repositories into public
and private
folders inside a temp directory on your sandbox. Use your sandbox because some of the private repos contain passwords that you don't want on your laptop's hard drive.
Look at Slack_Trac::$tracs
in api.wordpress.org for a list of Trac instances. Also look at https://github.com/wordpress in case there's anything there.
find -regex ".*\.\(php\|html\|js\|css\)" |xargs wc -l