Figure 2. Cluster-Outlier Analysis of Annual Rate of Healthcare Utilization for Coal Workers Pneumoconiosis (ICD-9 CM 500), 2011-2014 in the Contiguous United States
Figure 4. Cluster-Outlier Analysis of Annual Rate of Healthcare Utilization for Other Related Pneumoconiosis (ICD-9 CM 501 - 505), 2011-2014 in the Contiguous United States