CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 1923 than in any other category.
The following table shows how many health care and social assistance businesses with between one and four employees were in 1923 during the period from 2012 to 2016.
Health care and social assistance businesses with between one and four employees in 1923 (2012-2016)
Year
Total businesses
2012
40
2013
49
2014
40
2015
41
2016
46