CBP data indicates that there are more establishments categorized as retail trade businesses with between five and nine employees in Pennsylvania than in any other category.
The following table shows how many air transportation businesses with between five and nine employees were in Pennsylvania during the period from 2012 to 2016.
Air transportation businesses with between five and nine employees in Pennsylvania (2012-2016)
Year
Total businesses
2012
4,978
2013
4,864
2014
4,873
2015
4,877
2016
4,522
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