The resource count for the number of each type of resource deployed on a job is an export field that is on a job is an export field only available in a custom export template.
Exporting the total number of each type of resource deployed on a job in the 'All Jobs' report
Go to reports
Select the 'All jobs' report
Select export on the top right-hand corner of the page
Select + new to create a new export template
Name your export
Choose the resource_counts field from the dropdown of available export fields
Add the additional fields you would like in your custom export
Click Create
Click export on the new custom export