OpenTTD.OpenTTD(master)$ git rev-list --count HEAD --since="Apr 7 2018" --before="Jan 1 2019" 244 OpenTTD.OpenTTD(master)$ git rev-list --count HEAD --since="Apr 7 2016" --before="Apr 6 2018" 429 OpenTTD.OpenTTD(master)$ git rev-list --count HEAD --since="Apr 7 2017" --before="Apr 6 2018" 135