Silver Book Fact
Prescription drug spending growth accelerated in 2006 to 8.5%, partly as a result of Medicare Part D’s impact.
Aaron C, Cowan C, Hartman M, Heffler S. National Health Spending In 2006: A year of change for prescription drugs. Health Affairs. January 2008; 27(1): 14-29. https://www.healthaffairs.org/doi/full/10.1377/hlthaff.27.1.14#:~:text=In%202006%2C%20U.S.%20health%20care,trillion%2C%20or%20%247%2C026%20per%20person.&text=Prescription%20drug%20spending%20growth%20accelerated,of%20Medicare%20Part%20D's%20impact.