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Federal government websites often end in .gov or .mil. Before
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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 2 |
| 1986 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 5 |
| 2000 | 3 |
| 2001 | 2 |
| 2002 | 57 |
| 2003 | 72 |
| 2004 | 66 |
| 2005 | 118 |
| 2006 | 114 |
| 2007 | 160 |
| 2008 | 154 |
| 2009 | 241 |
| 2010 | 305 |
| 2011 | 332 |
| 2012 | 361 |
| 2013 | 407 |
| 2014 | 511 |
| 2015 | 569 |
| 2016 | 525 |
| 2017 | 606 |
| 2018 | 773 |
| 2019 | 855 |
| 2020 | 1022 |
| 2021 | 1186 |
| 2022 | 1391 |
| 2023 | 1287 |
| 2024 | 476 |