U.S. Census Bureau, County Business Patterns, annual. See also
< http://www.census.gov/prod/2001pubs/cbp99/cbp99-1.pdf > (issued April 2001);
< http://www.census.gov/prod/2002pubs/00cbp/cbp00-1.pdf > (issued May 2002); and
< http://www.census.gov/prod/2003pubs/01cbp/cbp01-1.pdf > (issued April 2003).
INTERNET LINK
http://www.census.gov/epcd/cbp/view/cbpview.html
referenced on dataset section Employment (#4)
![Our journey, to date Sharing data freely helps us all progress
[Photo by Public Domain via Wikicommons user Locutus Borg - link in footer] Photo of a Our journey, to date](/images/simians/commons.wikimedia.org_wiki_Image-Human_evolution_scheme.jpg?1207643180)