These footnotes correspond to those used for the published tables, which show data in billions of dollars and 2-decimal places, and may not completely apply to the tables in millions of dollars and 3-decimal places. The published tables may be found using the link: http://www.bea.gov/bea/dn/nipaweb/index.asp

Note. Estimates in this table are based on the North American Industry Classification System (NAICS).
Chained (2000) dollar series for real change in private inventories are calculated as the period-to-period change in chained-dollar end-of-period inventories. Quarterly changes in end-of-period inventories are stated at annual rates. Because the formula for the chain-type quantity indexes uses weights of more than one period, the corresponding chained-dollar estimates are usually not additive. The residual line is the difference between the first line and the sum of the most detailed lines.

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