CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Iowa than in any other category.
The following table shows how many museums, historical sites and similar institutions with between one and four employees were in Iowa during the period from 2012 to 2016.
Museums, historical sites and similar institutions with between one and four employees in Iowa (2012-2016)
Year
Total businesses
2012
14,870
2013
14,896
2014
14,996
2015
15,188
2016
15,310
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