I found this page [1] interesting in regard to cash supply in Sweden, as it is a country always reported with a high affinity to online payment and statistics [2] (from 2019) seems to support that statement.

[1] https://www.riksbank.se/en-gb/payments--cash/payments-in-swe...

[2] https://www.statista.com/chart/17307/paying-with-cash-europe...