Industry Statistics Sampler

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2002 and earlier Economic Censuses

The economic census is conducted every 5 years. The button at the right provides links to all tables for this industry from the 2002 Economic Census in the American FactFinder (AFF) system. For earlier statistics, see the discussion in historical data from the economic census.

Historical comparability

  NAICS 21232, Sand, gravel, clay, and ceramic, and refractory minerals mining and quarrying, is comparable between 2007 and 2002.

  2002 NAICS 21232, Sand, gravel, clay, and ceramic, and refractory minerals mining and quarrying, is not directly comparable between 2002 and 1997. See the Bridge Between 2002 NAICS and 1997 NAICS for changes to constituent industries.

In comparisons with data before 1997, 1997 NAICS 21232 corresponds to the sum of multiple SIC codes. See the Bridge Between 1997 NAICS and 1987 SIC.

In the following table, both 1997 and 2002 data are classified by 1997 NAICS, so that the two years are comparable.

Comparative Statistics: 2002 and 1997
Data are in current dollars and have not been adjusted for inflation. Table includes only establishments of firms with payroll. Introductory text includes scope, methodology, non-sampling error, and confidentiality protection. "% change" rows show percent change between 1997 and 2002.

1997 NAICS code	1997 NAICS Description	Year	Establishments	Value of shipments ($1,000)	Annual payroll ($1,000)	Paid employees
21232	Sand,gravel,clay,ceramic & refractory minerals mining & quarrying	2002	2,884	6,402,823	1,375,863	34,821
		1997	2,674	5,540,513	1,261,390	37,052
		% change	7.9	15.6	9.1	-6.0