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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 |
|---|---|
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1997 | 1 |
| 1999 | 2 |
| 2000 | 8 |
| 2001 | 29 |
| 2002 | 81 |
| 2003 | 117 |
| 2004 | 116 |
| 2005 | 84 |
| 2006 | 111 |
| 2007 | 143 |
| 2008 | 453 |
| 2009 | 1115 |
| 2010 | 1509 |
| 2011 | 1661 |
| 2012 | 1953 |
| 2013 | 2301 |
| 2014 | 2349 |
| 2015 | 2336 |
| 2016 | 2391 |
| 2017 | 2435 |
| 2018 | 2376 |
| 2019 | 2482 |
| 2020 | 2250 |
| 2021 | 1819 |
| 2022 | 1254 |
| 2023 | 942 |
| 2024 | 447 |