Are committers *not* active in the past two
releases not considered? Your figures seem biased. (Was I part of that
30? I committed some changes in the last 2 releases. Barely anything,
and I do *not* consider myself very active in terms of code changes,
but how many tiers are we working with here? People who were at the
sprints, people "active in the past 2 releases", "the rest"?