How long does it rob for approval status of citizenship?

Is there anybody who knows how long it takes for a citizenship application to be processed surrounded by Australia?
I am a permanent resident and married to an Australian citizen.
Answers:   
3 to 4 years...

P.S. I'm just guessing!
not a clue.. it didn't take long, a friend told me.. she married an Australian chap long ago, about 20 years ago or so.. back then it be just over a year from what she said.. but she was in an incredibly biddable line of work, and married a well-to-do man that invents things and sells his products for major money.. they might own greased the wheels...

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