There is also a video recording of this talk:

https://youtu.be/kHmwv3I1Kxk?si=CrZW_VVnA_UqcXCU

I was looking for this because Figure 1 (Breakdown Of SQLite Source Code By Language) is missing, and archive.org doesn't seem to have it. That chart can be found near 11:56 of the video above.