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A sample revision is the process used to re-design and re-select the samples for many of the Census Bureau’s surveys of the retail, wholesale, and service industries. This process is performed to
The current Service Annual Survey sample was introduced in February 2007 with the release of estimates for reference year 2005.
In most cases, yes. Whenever possible, estimates from different samples have been put on a comparable basis. For a detailed description of the process used to link the estimates from different samples and for specific information on which industry estimates are not comparable, please refer to http://www.census.gov/services/sas/sastechdoc.html.
NAICS is scheduled to be reviewed every 5 years for potential revisions, so that the classification system can keep pace with the changing economy. Service Annual Survey estimates are currently published on a 2002 NAICS basis. Effective with the release of 2011 estimates in the first quarter of 2013, Service Annual Survey estimates will be published on a 2007 NAICS basis.
The changes between 2002 NAICS and 2007 NAICS that affect industries within the scope of the Service Annual Survey are summarized below.
For a more detailed comparison between the 2002 and 2007 NAICS, please see the NAICS Concordance Tables.