U.S. - Sewage treatment facilities - 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.

D = Withheld to avoid disclosure
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	359	16.7%	7.8%	4.2%	6,363	79.9%	64.2%	52.1%
	2007	376	15.4%	6.4%	4.3%	5,829	79.5%	59.4%	53.1%
	2006	478	11.5%	3.8%	2.3%	6,115	D	D	49.1%
	2005	496	11.5%	4.4%	3.0%	6,062	D	D	48.7%
	2004	515	12.8%	4.5%	2.9%	5,934	D	D	45.9%
	2003	605	9.6%	3.8%	2.6%	6,627	69.9%	D	44.5%
	2002	690	10.0%	3.6%	1.9%	7,022	D	D	33.4%
	2001	632	10.8%	4.1%	2.1%	6,312	D	D	35.7%
	2000	583	10.6%	3.8%	1.9%	5,141	D	D	31.4%
	1999	584	9.9%	4.5%	2.6%	5,270	64.6%	D	37.8%
	1998	563	10.5%	4.4%	2.3%	5,307	65.4%	D	41.3%