Cut down to NATO standards and a few popular (e.g., .38/.357) and iconic (e.g., .45 LC).
PREDICTED TO FALL:
40 S&W - Interesting prediction. 45 Gap 41 Mag 32 ACP 25 Auto 32 H&R Mag
TDF INDEX: Cats, Guns, and National Security: THE DAILY FUDD index. https://catsgunsandnationalsecurity.blogspot.com/2021/03/the-daily-fudd-index.html