States with favorable concealed carry laws have lower rates of crime than states with restrictive concealed carry laws. Overall, the homicide rate for states with favorable carry laws is 31% lower, and the robbery rate is 36% lower, than for states with restrictive concealed carry laws. States which have recently changed their laws have experienced reductions in homicide rates. Since 1987, when Florida enacted a favorable CCW law, its homicide rate has dropped 22%, even while the national rate has risen 15%. Only .007% of Florida CCW permits have been revoked because of a crime after licensure.