Too many.
it differs really on how much you use the pencil and how hard you use it.
4TIMES
2-3 times a day
As many times as u like
twice a day
thousands.
You can use the teleport as many time as you want, it is the only one that isn't limited on charges.
You can use the 14-day pass one time for one account, two times for one email, and you can use it as much as you want for one computer. I would suggest you just buying the real thing on your computer because the trial is no where near as good as the actual game.
3 time
The average person uses the bathroom/ restroom about 3 times a day.
one