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The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
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The https:// ensures that you are connecting to the
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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1824 | 1 |
| 1831 | 1 |
| 1838 | 1 |
| 1858 | 1 |
| 1879 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1963 | 1 |
| 1968 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1982 | 1 |
| 1992 | 1 |
| 1993 | 4 |
| 1994 | 10 |
| 1997 | 3 |
| 1998 | 2 |
| 2000 | 4 |
| 2004 | 2 |
| 2008 | 1 |
| 2009 | 2 |
| 2012 | 4 |
| 2013 | 4 |
| 2015 | 1 |
| 2016 | 44 |
| 2017 | 62 |
| 2018 | 72 |
| 2019 | 48 |
| 2020 | 11 |
| 2021 | 31 |
| 2022 | 34 |
| 2023 | 12 |
| 2024 | 0 |