That's the lowest number in recent years.
The New York Times says the report concluded that the 62 officers who fired at suspects demonstrated that "restraint is the norm" in police shootings.
Of the nine suspects who were killed, the report found five had firearms, two threatened officers with knives, one choked a detective and another used his vehicle as a weapon.
It found that more than two-thirds of the officers fired five or fewer shots. More than a quarter fired only one shot and none of the officers reloaded.
The annual firearms discharge report looks at everything from shooting stance to distances between officers and their targets.
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