Hi there,
the graph shows the obvious.
I do not know about the USA, but in Europe, generally the tourism is gone.
Old towns are empty, therefore cafes are empty.
(In peak year 2019, even coffee shops at every corner were so full, that it was hard to find a seat.
Now, even offices are half-empty, and in most countries restaurant and shops are order to takeaway service only. In my country, half of Costa Coffee shops are entirely closed.

Also, interesting bit of news is that in spring and summer, people bought a lot of coffee making machines (automats).
I think the increase of ineffectivity of home coffee making is not as high to offset the overall decrease of shop consumption.
When I think about it from household budget perspective, maybe buying and consuming coffee home compared to in coffee shops brings some savings, so people may not feel the need to reduce the consumption.

Either way, it is very bad news for coffee shop chains, but rather good news for Nescafe, Tchibo like companies.