english: This significantly contributed to the collapse of approximately 50% of all U.S. banks from a peak of about 30,000 banks in 1921 to less than 15,000 banks in 1933.
non_english: Iki nyebabake nyebabake ambruk kira-kira 50% kabeh bank AS saka puncak 30,000 bank ing taun 1921 nganti kurang saka 15.000 bank ing taun 1933.