[$] Some 6.16 development statistics

The 6.16 development cycle was another busy one, with 14,639 non-merge
changesets pulled into the mainline — just 18 commits short of the
total for 6.15. The 6.16 release happened
on July 27, as expected. Also as expected, LWN has put together its
traditional look at where the code for this release came from.