Yearly
| Year | professional, scientific, and technical services |
|---|---|
| 2021 | $51,555,000,000 |
| 2020 | $45,095,000,000 |
| 2019 | $42,815,000,000 |
| 2018 | $40,789,000,000 |
| 2017 | $38,399,000,000 |
| 2016 | $36,917,000,000 |
| 2015 | $35,039,000,000 |
| 2014 | $32,905,000,000 |
| 2013 | $30,734,000,000 |
| 2012 | $27,212,000,000 |
| 2011 | $25,112,000,000 |
| 2010 | $23,624,000,000 |
| 2009 | $22,518,000,000 |
| 2008 | $30,103,000,000 |
| 2007 | $35,012,000,000 |
| 2006 | $36,784,000,000 |
| 2005 | $37,644,000,000 |
| 2004 | $29,891,000,000 |
| 2003 | $24,364,000,000 |
| 2002 | $17,914,000,000 |
| 2001 | $15,613,000,000 |
| 2000 | $14,483,000,000 |
| 1999 | $13,604,000,000 |
| 1998 | $12,219,000,000 |
| 1997 | $10,270,000,000 |
| Agency | |
| Source | |
| Last updated at USAFacts | August 26, 2023 |
| Suggested citation |