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The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
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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 |
|---|---|
| 1963 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1981 | 1 |
| 1983 | 2 |
| 1984 | 3 |
| 1987 | 2 |
| 1989 | 2 |
| 1999 | 2 |
| 2000 | 1 |
| 2002 | 4 |
| 2003 | 3 |
| 2004 | 2 |
| 2005 | 6 |
| 2006 | 2 |
| 2007 | 4 |
| 2008 | 3 |
| 2010 | 6 |
| 2011 | 11 |
| 2012 | 18 |
| 2013 | 16 |
| 2014 | 26 |
| 2015 | 24 |
| 2016 | 25 |
| 2017 | 33 |
| 2018 | 37 |
| 2019 | 37 |
| 2020 | 44 |
| 2021 | 58 |
| 2022 | 38 |
| 2023 | 48 |
| 2024 | 46 |
| 2025 | 88 |
| 2026 | 1 |