U.S. - Optical instrument and lens manufacturing - 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	426	34.5%	15.3%	9.2%	17,015	90.3%	71.6%	56.1%
	2007	437	33.9%	14.6%	8.9%	17,539	90.1%	71.6%	54.2%
	2006	426	35.9%	15.5%	9.4%	17,888	91.1%	72.5%	54.5%
	2005	421	34.7%	15.7%	9.0%	16,380	89.9%	69.9%	51.1%
	2004	430	35.1%	15.6%	7.9%	16,915	90.3%	70.7%	45.4%
	2003	425	38.8%	16.7%	8.9%	18,259	91.9%	71.5%	46.1%
	2002	449	40.5%	16.5%	9.6%	20,723	92.6%	72.1%	54.0%
	2001	469	38.2%	16.4%	9.0%	22,840	92.5%	74.0%	50.3%
	2000	465	38.9%	16.6%	8.8%	20,489	91.9%	71.3%	48.1%
	1999	471	38.4%	15.1%	9.3%	18,593	90.8%	66.6%	46.0%
	1998	476	39.5%	14.9%	8.4%	21,765	92.2%	69.6%	50.0%