Firearm Mortality Rate Trends by State (IMAGE) Michigan Medicine - University of Michigan Caption The study data were used to create a map of firearm mortality rate trends on a state-by-state level, from 1999 to 2017. Credit Health Affairs/University of Michigan Usage Restrictions Must credit Health Affairs and University of Michigan License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.