This week a few lists were posted on medication spending and use in the US. The Source of the lists was a study from the IMS Institute for Healthcare Informatics entitled A Review of the Use of Medicines in the U.S. in 2013. You can view some of the studies charts here. Here are the new lists based on the study:

Top 5 Therapy Areas by Total Spending on Medication in The US (in Billions)
US Prescriptions Per Capita by Age
Distribution of Payer Rejection of Retail Prescriptions by Reasons

If you'd like to look at more lists on the pharmaceutical industry you can browse that category.