How long did it take you to grow waist length hair?

I'm looking for answers from people who have grown their hair out from a really short haircut like a pixie, big chop, or neck length bob. If you had long hair all your life, it won't really help me out, but your answers are still appreciated.
How long did it take you to grow waist length hair?
How long did it take you to grow waist length hair?
How long did it take you to grow waist length hair?
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