Columbia subject headings:
Employee fringe benefits--United States--Statistics.
Employees--Insurance requirements--United States--Statistics.
Health insurance--United States--Statistics.
Harvard subject headings:
Employee fringe benefits--United States--Statistics
Employees--United States--Insurance requirements--Statistics.
Health insurance--United States--Statistics
Princeton subject headings:
Employee fringe benefits--United States--Statistics.
Employees--Insurance requirements--United States--Statistics.
Health insurance--United States--Statistics.
Statistics.