Thanks. Added to my ongoing data for the next assault, er I mean legislative session.
Total murder and non-negligent manslaughter, 2011: 13,993
Total murder and non-negligent manslaughter, 2012: 14,168
From the FBI Uniform Crim Reports, Table 8
Total weapons used, all firearms 2011: 8,653
Total weapons used, all firearms 2012: 8,855
Suicides are a separate issue. If people cannot get guns, they substitute another method. Several studies show this.