How much research does a matched applicant have on average?

Per 2022 NRMP data,  

For matched diagnostic radiology applicants:

For matched interventional radiology applicants:

This data does not include what type of research (see below) was completed and whether it was specific to radiology. 

What are the ERAS categories of research and types of research I can do?

ERAS Categories of Research include:

Types of Research include, but are not limited to:

Where can I submit my research?

Radiology Research Journals and Conferences