U.S. - Crude petroleum and natural gas extraction - 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	6,550	8.7%	2.9%	1.3%	98,880	79.3%	65.5%	50.4%
	2007	6,424	10.4%	3.3%	1.5%	133,286	84.1%	71.7%	58.3%
	2006	6,498	7.9%	2.4%	1.3%	78,367	74.0%	57.6%	44.0%
	2005	6,215	7.8%	2.5%	1.3%	72,350	73.5%	57.1%	42.1%
	2004	6,187	7.9%	2.6%	1.4%	69,723	73.1%	57.0%	42.1%
	2003	6,170	7.9%	2.7%	1.3%	70,534	73.8%	58.3%	41.2%
	2002	6,238	8.3%	2.7%	1.3%	76,794	75.1%	59.6%	45.1%
	2001	6,377	8.1%	2.6%	1.3%	78,394	74.9%	59.5%	46.9%
	2000	6,417	7.7%	2.5%	1.4%	73,704	74.2%	58.0%	44.9%
	1999	6,286	7.6%	2.7%	1.5%	80,013	76.2%	62.6%	50.2%
	1998	6,660	7.9%	2.5%	1.4%	86,117	75.9%	61.4%	48.6%