Hi SandraHi,
https://www.cicnews.com/2018/08/faster-and-forward-looking-a-new-path-in-canadas-immigration-processing-system-0811037.html#gs.fsowtw
This website states it can take anywhere from 22-36 months.
Wishing you the best of luck.
Regards,
Sandra Velosa
Could you please explain me bit more about stage 2 approval?