How to compile statistics on file metadata?

Question

big data

There is a list of audio recordings of calls in 3gp format, whose properties contain data such as "duration", "changed", etc.
It is necessary to somehow pull out this data and conduct call analytics. Find out, for example, how many calls are made per month. What is the average duration of a call, etc.
There are about 2000 files. What tool can be used to do this?

Answer 1

ExifTool