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Investigations, federal-fiscal-year 2022

(Oct. 1, 2021, through Sept. 30, 2022; updated July 27, 2022)

Investigations, federal-fiscal-year 2021

(Oct. 1, 2020, through Sept. 30, 2021; updated July 8, 2022)

Investigations, federal-fiscal-year 2020

(Oct. 1, 2019, through Sept. 30, 2020; updated April 5, 2022)

Investigations, federal-fiscal-year 2019

(Oct. 1, 2018, through Sept. 30, 2019; updated July 8, 2022)

Investigations, federal-fiscal-year 2018

(Oct. 1, 2017, through Sept. 30, 2018; fatalities updated Oct. 12, 2021; serious-injuries updated April 10, 2020)

Five-year totals