RE: Cleaning question

How often do you pull out your fridge and clean the floor underneath and the walls that accumulate the dust?
I do it once a year.  Without pulling out my fridge, I try to clean the bottom once every few months.
What about your stove?  My stove fits tightly in the space, and it is a very small corner.  So I pull it out to clean every few years.
I am curious to know what you do.  Thanks,