(CNN) — Over 200,000 background checks for gun purchases were initiated on Black Friday, making this the second-highest day of checks ever, according to data released by the FBI.

The data said 202,465 total checks were started Friday, falling short of the record set on 2017’s Black Friday with 203,086.

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Black Friday is typically the biggest day of the year for gun purchases and therefore background checks, fueled by holiday shopping and the fall hunting season.

How background checks are done

Every time someone tries to buy a gun from a federally licensed dealer, a background check is processed.

A shopper browses a handheld firearm for sale inside a Bass Pro Outdoor World LLC store on Black Friday in Tampa, Florida, U.S., on Friday, Nov. 23, 2018. Deloitte expects sales from November to January to rise as much as 5.6 percent, to more than $1.1 trillion, marking the best holiday period in recent memory. Photographer: Eve Edelheit/Bloomberg via Getty Images

An interested buyer needs to give their ID to the seller, fill out ATF Form 4473 with personal information such as age, address, race, and criminal history, if any.

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Then the seller submits the information to the FBI via a toll-free phone line or over the internet, and the agency checks the applicant’s info against databases. The process can take as little as a few minutes.

It’s unclear just how many firearms were actually purchased on Black Friday because initiating a background check doesn’t guarantee a sale.

Firearm background checks by the numbers

This year, March had the highest number of firearm background checks collectively, surpassing every other month at 2,644,851.

The FBI’s National Instant Criminal Background Check System, known as NICS, records the number of background checks. Since the system was started 21 years ago, the FBI has conducted 330,067,172 background checks.

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