The Kaiser Family Foundation and the Health Research and Educational Trust have conducted this annual survey since 1999. The archives of the Employer Health Benefits Survey include these surveys and a small business supplement of the 1998 survey conducted by the Foundation. The survey was previously conducted by KPMG Peat Marwick from 1991-1998 and the Health Insurance Association from 1987-1991. The survey, which is traditionally released each Fall, tracks trends in employer health insurance coverage, the cost of that coverage, and other topical health insurance issues. Findings are based on a nationally representative survey of public and private employers, including those who respond to the full survey and those who indicate only whether or not they provide health coverage. Firms surveyed range in size from three to more than 300,000 employees.