Silver Book Fact
The health share of the GDP is expected to hold steady in 2006 before it resumes a historical upward trend, reaching 19.6% of GDP by 2016.
Poisal J, Truffler C, Smith S, Sisko A, et al. Health Spending Projections Through 2016: Modest changes obscure Part D’s impact. Health Affairs. 2007; http://content.healthaffairs.org/cgi/content/abstract/hlthaff.26.2.w242