Comment by ceejayoz
4 hours ago
The lowest point of the first trough is when COVID starts. It then rapidly increases and stays high for two years.
4 hours ago
The lowest point of the first trough is when COVID starts. It then rapidly increases and stays high for two years.
It looks like that rapid increase was a return to pre-covid normal. It never spikes above pre-covid. Given the world was returning to normal, this is precisely what you'd expect most trends to look like, something like in-restaurant dining probably looks similar.