Several figures in this primer show the cumulative percent change in private health insurance or health insurance premiums (Figures 11, 15, and 20). These cumulative increases may vary from figure to figure because different years are used, the data sources differ, and what is being measured varies. Figure 11 uses the private health insurance category of the HHS national health expenditure data, which includes both private employer and individual health insurance premiums drawn from a number of sources, the medical portion of accident insurance, and the net cost of private insurance (including administrations costs, additions to reserves, rate.
