Often, a priori criteria
will suggest how to classify different items to be displayed in a
table or chart. This chart organizes categories of consumer
expenditures in necessities and non-necessities, using standard
definitions provided by the Bureau of Labor Statistics (see Duly, A.
(2003). Consumer spending for necessities. Monthly Labor Review.
categories in descending order of dollar value within each of the
major classifications of necessities and non-necessities promotes a
logical description of the pattern within each of those conceptual