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Federal government websites often end in .gov or .mil. Before
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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1879 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1895 | 1 |
| 1897 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 3 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 4 |
| 2014 | 5 |
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 2 |