How to count the number of rows in a list of files

Hi Guys

Each month I'm receiving a folder containing 100 files.

Each file within that folder have 21 rows.
An headline in row 1 with 20 rows of data.

From some reasons, sometimes some files are missing few rows.

Is there a way to check the number of the rows that each file contains
And get the results on a list, by using a macro?
i.e.

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Etc'

Thanks for you kind help