I'm ignoring all merge commits and I'm ignoring all files that match the following regex. This cuts out huge numbers of automatically generated files which hugely skew results.
Ignore filter on "(Godeps|third_party|vendor|docs/theme|.svg|api/swagger-spec|pkg/ui/datafile.go|www/.*/shared/assets/sampleData1.json|pkg/assets/bindata.go)"
(Unknown) 4520 (47.9%)
"Docker" 3821 (40.5%)