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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 |
|---|---|
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1962 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1998 | 1 |
| 2001 | 6 |
| 2002 | 9 |
| 2003 | 10 |
| 2004 | 12 |
| 2005 | 9 |
| 2006 | 14 |
| 2007 | 27 |
| 2008 | 12 |
| 2009 | 13 |
| 2010 | 32 |
| 2011 | 39 |
| 2012 | 73 |
| 2013 | 76 |
| 2014 | 66 |
| 2015 | 55 |
| 2016 | 39 |
| 2017 | 42 |
| 2018 | 42 |
| 2019 | 54 |
| 2020 | 41 |
| 2021 | 14 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 13 |