Curiosity only.
Here in Brazil it’s very common to have several showers a day. I, for example, take two. The first is when I wake up, before I go to work, and the second is when I get home from work. I wake up at 6.30am and get home at 8pm.
edit: I said bath, but I meant shower.
At the moment, none, because I’m not able to - having to keep myself clean with basically just a basin and soap. Usually, somewhere between 0.25 and 0.5 a day. I don’t really get particularly dirty or sweaty. If I did get particularly dirty/sweaty then I’d just shower ASAP.