Yearly
| Year | professional, scientific, and technical services |
|---|---|
| 2021 | $513,308,000,000 |
| 2020 | $503,688,000,000 |
| 2019 | $470,903,000,000 |
| 2018 | $459,615,000,000 |
| 2017 | $429,829,000,000 |
| 2016 | $419,489,000,000 |
| 2015 | $404,779,000,000 |
| 2014 | $387,179,000,000 |
| 2013 | $378,513,000,000 |
| 2012 | $387,925,000,000 |
| 2011 | $374,983,000,000 |
| 2010 | $358,807,000,000 |
| 2009 | $338,892,000,000 |
| 2008 | $359,215,000,000 |
| 2007 | $295,344,000,000 |
| 2006 | $272,829,000,000 |
| 2005 | $260,876,000,000 |
| 2004 | $255,784,000,000 |
| 2003 | $238,900,000,000 |
| 2002 | $227,584,000,000 |
| 2001 | $193,790,000,000 |
| 2000 | $174,618,000,000 |
| 1999 | $178,318,000,000 |
| 1998 | $163,762,000,000 |
| 1997 | $162,525,000,000 |
| Agency | |
| Source | |
| Last updated at USAFacts | August 25, 2023 |
| Suggested citation |