They say that charity begins at home–and that’s probably a good thing, since it is in shorter than usual supply at many Am Law 200 firms.

Average pro bono hours for lawyers at Am Law 200 firms plummeted 8 percent in 2010 to their lowest level in three years, reversing a decade of steady growth. The overall average percentage of lawyers who did more than 20 hours of pro bono work dipped 5.2 percent.