Wheeler, Christopher H. (contributor) - 2005
Business Patterns (CBP) files (described below), which
switched over from the Standard Industrial Classification (SIC) system … County Business Patterns (CBP) files for the same four years: 1984, 1989, 1993, 1997.
After constructing industry groupings …; business and repair services; personal services; entertainment and recreation services; medical ser-
vices; educational …