Probably a lot of people pulling and hoarding cash out of the banks.

https://www.cnbc.com/2019/02/27/theres-been-a-mysterious-surge-in-100-bills-in-circulation-possibly-linked-to-global-corruption.html?recirc=taboolainternal

Wrong pic in previous post.

https://www.cnbc.com/2019/02/27/theres-been-a-mysterious-surge-in-100-bills-in-circulation-possibly-linked-to-global-corruption.html?recirc=taboolainternal