Total
1. Agriculture, hunting, forestry,
and fishing
1.1.
Agriculture, hunting, and
related services
1.2.
Forestry, logging, and
related services
1.3.
Fishing, operation of fish
farms; services incidental
to fishing
2. Mining and quarrying
Of
which:
Services
activities
incidental to oil and gas
extraction, excluding
surveying
3. Et
cetera
4.50. Sales measures gross operating revenues, less
rebates, discounts and returns. Sales should be measured
exclusive of consumption and sales taxes on consumers
and value-added taxes. Although lacking the
duplication-free quality of value added, the sales
variable generally presents fewer collection difficulties
and thus is likely to be more widely available than value
added. Also unlike value added, sales indicates the
extent to which foreign affiliates are used to deliver
outputs to customers, irrespective of the extent to which
the output originated in the affiliates themselves or in
other firms. Further, sales are more comparable than
value added with regard to such variables as exports and
imports, which are themselves measures of sales.
4.51. In addition to disaggregation by industry and by
country (following the principles of attribution discussed
earlier), other breakdowns of sales may be useful for
