I'd be curious what percentage of people were advised to wear masks and chose not to, if there was any way to tease out even a rough guess of that. How it comp

I'd be curious what percentage of people were advised to wear masks and chose not to, if there was any way to tease out even a rough guess of that. How it compares with our current situation might be relevant. If it's higher now, I would be saddened but not surprised. If it's the same, that might actually be a bit of a relief.