More than 1,600 players have been selected in the first round of the NFL draft since 1936, according to league statistics. These charts break down the choices made by NFL teams by school, position and position type.

First, by school:

And by position type:

And, finally, by position:

Data source: NFL.com | Scraping script

Thanks, Chris Amico, for scraping help.

UPDATE: Here's a new chart with position types grouped: