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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 |
|---|---|
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1977 | 3 |
| 1978 | 2 |
| 1980 | 3 |
| 1981 | 5 |
| 1984 | 1 |
| 1987 | 2 |
| 1989 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 2006 | 3 |
| 2007 | 6 |
| 2008 | 5 |
| 2009 | 6 |
| 2010 | 5 |
| 2011 | 9 |
| 2012 | 13 |
| 2013 | 16 |
| 2014 | 15 |
| 2015 | 20 |
| 2016 | 25 |
| 2017 | 38 |
| 2018 | 24 |
| 2019 | 20 |
| 2020 | 35 |
| 2021 | 41 |
| 2022 | 31 |
| 2023 | 25 |
| 2024 | 26 |
| 2025 | 16 |
| 2026 | 13 |