A team has finished a game with 16-9 singles and extra-base hits 11 times since 1897, most recently Houston Astros on 27 August 2023. That is about one every 40,273 team-games.
Box score for the most recent one ↗
16-3 16-4 16-5 16-6 16-7 16-8 16-9 16-10 16-11 16-12 17-0 17-1 17-2
The whole distribution — Singles and Extra-Base Hits · All 18 shapes