Since The Trace launched last year, we’ve become intimately familiar with the obstacles to reporting on a subject that’s been largely shielded from public view. Compared to other areas of study, there’s very little research on gun violence, particularly at the federal level. That issue is compounded by a lack of coverage: few newsrooms have the budgets for the data-heavy deep dives that help fill the knowledge gap.

We’re hungry for the data that can help us better understand gun violence in America, and when we find something that informs our thinking, we are eager to share it with our readers. Here are 10 facts and figures that helped shape our reporting this year.