U.S. - Water supply and irrigation systems - 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	3,319	4.9%	1.7%	0.8%	34,724	66.0%	55.6%	43.1%
	2007	3,579	4.6%	1.6%	0.8%	33,017	61.6%	50.5%	38.4%
	2006	3,910	4.2%	1.4%	0.7%	34,129	58.8%	47.6%	33.5%
	2005	3,977	4.2%	1.5%	0.8%	34,403	59.3%	48.5%	33.6%
	2004	4,036	4.2%	1.5%	0.7%	35,271	59.6%	49.7%	35.5%
	2003	4,285	4.2%	1.3%	0.7%	36,520	59.4%	47.8%	37.7%
	2002	4,562	4.4%	1.4%	0.8%	37,041	57.2%	45.5%	34.2%
	2001	4,323	4.5%	1.5%	0.9%	35,206	58.1%	46.3%	36.2%
	2000	4,184	4.4%	1.6%	0.9%	32,786	56.8%	45.1%	34.8%
	1999	3,836	4.3%	1.6%	1.0%	29,996	58.1%	47.0%	36.1%
	1998	3,789	4.1%	1.7%	1.0%	28,623	56.7%	47.1%	32.9%