Should you put promotions on your resume?

Updating my resume for the first time in a while. I’m bored af at my job and I hate it; although, I did receive a promotion in what was an above average timeline for “efficiency.” Should I include that on my resume?

I’ve seen people put bullets such as “promoted within 10 months for contributions that improved operational efficiency by 30%” before but always thought it was cheesy.

But.. how is this actually perceived? Has anyone done this and had an interviewer look at it favorably? Or do any hiring managers here have opinions on this?

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