SA7N Footnotes

1/ The estimates of wages and salaries for 1998-2006 are based on the 2002 North American Industry Classification System (NAICS). The estimates for 2007-2010 are based on the 2007 NAICS. The estimates for 2011 forward are based on the 2012 NAICS.
2/ Under the 2007 NAICS, internet publishing and broadcasting was reclassified to other information services.
Note-- All dollar estimates are in current dollars (not adjusted for inflation).
(D) Not shown to avoid disclosure of confidential information, but the estimates for this item are included in the total.
(L) Less than $50,000, but the estimates for this item are included in the total.
(T) Estimate for wages and salaries suppressed to cover corresponding estimate for earnings. Estimates for this item are included in the total.
(NA) Data not available for this year.
(NM) Not meaningful.
Last updated: September 30, 2015-- revised estimates for 2008-2014.