Data are for calendar years.
These data include the number of nursing facility residents in certified nursing facilities that were surveyed in each state during each calendar year. Not all facilities are surveyed by state agenices during each calendar year. These data exclude residents in uncertified beds.
For full details about the data and data collection, please refer to the report, "Nursing, Facilities, Staffing, Residents, and Facility Deficiencies, 2001 Through 2008," cited below.

C. Harrington, H. Carrillo, and B. Blank. Table 4, "Nursing, Facilities, Staffing, Residents, and Facility Deficiencies, 2001 Through 2008," Department of Social and Behavioral Sciences, University of California, San Francisco, accessed November 2009. Available at http://www.pascenter.org. Based on the Online Survey, Certification, and Reporting system (OSCAR), Centers for Medicare and Medicaid Services, U.S. Department of Health and Human Services.