During that period, 35 percent of all homicide victims were filled with a firearm; 71 percent of these were killed with a handgun. The proportion killed by firearms increased from 32 percent in 1983 to 40 percent in 1992. The total number of robberies and the number of robberies committed with a firearm generally declined from 1983 to 1992; however, from 1991 to 1992, the total number of robberies increased 17 percent and the number of robberies committed with a firearm increased 64 percent. From 1983 to 1992, the number of aggravated assaults increased 53 percent, and the number committed with a firearm increased 12 percent. The percentage of aggravated assaults committed with a firearm was smaller in 1992 than in 1983. Arrests for weapons violations increased 83 percent from 1983 to 1992. Figures