Who's been doing all the merging in your repo?
[$]> curl 'https://raw.github.com/xiongchiamiov/git-merge-stats/master/git-merge-stats' > ~/bin/git-merge-stats
[$]> chmod +x ~/bin/git-merge-stats
[$]> git merge-stats
[$]> git merge-stats
% of Total Merges Author # of Merges % of Commits
57.14 Daniel Beardsley 4 5.63
42.85 James Pearson 3 30.00