U.S. - Scientific research and development services - by Year
Introductory text includes scope and methodology. Table includes only establishments with payroll. Nonemployers are shown separately. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.

More data	Year	Firms by employment size of enterprise				Paid employees by employment size of enterprise
		Total	20 +	100 +	500 +	Total	20 +	100 +	500 +
	2008	13,371	22.1%	9.5%	5.2%	633,928	93.3%	82.9%	70.4%
	2007	14,009	21.7%	9.3%	5.1%	688,052	93.8%	83.8%	72.0%
	2006	13,455	22.3%	9.8%	5.3%	672,666	93.8%	83.7%	71.1%
	2005	13,010	22.3%	9.8%	5.4%	660,520	93.9%	83.9%	71.3%
	2004	12,637	22.8%	10.0%	5.4%	640,936	93.9%	83.8%	70.9%
	2003	12,205	24.0%	10.7%	5.7%	615,740	93.8%	83.1%	69.0%
	2002	11,418	20.9%	7.9%	3.3%	399,213	91.1%	75.8%	54.5%
	2001	11,198	20.7%	7.3%	2.9%	387,067	90.4%	74.7%	53.6%
	2000	10,431	20.3%	6.9%	2.9%	359,097	90.5%	74.4%	55.6%
	1999	10,019	20.3%	6.9%	2.8%	338,346	90.2%	74.0%	55.1%
	1998	9,886	19.1%	6.7%	2.5%	309,851	89.5%	73.7%	53.1%