Combined they make up about 33% of all activity, which is what you would expect if 100% of people spent every single day doing one of those things for ~8 hours.

Combined they make up about 33% of all activity, which is what you would expect if 100% of people spent every single day doing one of those things for ~8 hours. It's pretty much right in line with what I'd expect, possibly even a bit higher considering small children and retirees.