The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE, or ATF) has graced us with its annual report on firearms commerce in the United States, offering up an all-inclusive picture of the state of the gun industry through a series of tables, charts and graphs.

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Data lovers will find much to pore over here. For example, the report includes a section on the total number of firearms made in the United States from 1986 through 2015 (the last year for which data is available); the total number of gun exports from 1986 through 2015; gun imports from 1986 through 2016 broken down by firearm type, importation application type and country of origin; the total number of FFLs from 1975 through 2016; FFLs by state; actions taken on FFL applications; the complete number of NFA registered weapons by state and type—AOWs, machine guns, destructive devices, silencers, short-barreled rifles, short-barreled shotguns —through April 2017, and much, much more.

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We decided to take a look at short-barreled shotguns, which the ATF’s Firearms Commerce report defines as follows:

Short-barreled shotgun is defined as a shotgun having one or more barrels less than 18 inches in length, and any weapon made from a shotgun, whether by alteration, modification, or otherwise, if such weapon as modified has an overall length of less than 26 inches.

Here are the 10 states with the most registered short-barreled shotguns.