A severity score between 1 and 5 is assigned to each incident, with 1 being the least severe and five being the most severe. The figure below presents the average severity of the events for each year for all of Northwest Indiana from January 1, 1990 through December 2020. The diagonal line moving from left to right on the graph represents the trend in the data. There has been an overall decrease in severity despite an outlier year in 2014. In 2014, an average severity of 3.00 was calculated, the highest since the study began. The years following 2016 show a decrease in severity.