Figure 6. Over-the-year employment change in professional and technical services, by major component industry, seasonally adjusted, 2017 and 2018 (in thousands)
Industry	2017	2018
Computer systems design and related services	50.8	85.7
Management and technical consulting services	43.0	51.3
Architectural and engineering services	40.8	41.8
Accounting and bookkeeping services	5.6	39.4
Scientific research and development services	8.1	38.3
Other professional and technical services	35.1	25.6
Advertising and related services	-7.8	5.2
Specialized design services	2.6	4.3
Legal services	8.2	0.7
Source: U.S. Bureau of Labor Statistics.