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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 |
|---|---|
| 1985 | 3 |
| 1987 | 2 |
| 1990 | 1 |
| 1991 | 1 |
| 1998 | 2 |
| 2000 | 185 |
| 2001 | 121 |
| 2002 | 1 |
| 2003 | 1 |
| 2006 | 28 |
| 2008 | 2 |
| 2009 | 21 |
| 2010 | 85 |
| 2011 | 270 |
| 2012 | 252 |
| 2013 | 223 |
| 2014 | 243 |
| 2015 | 276 |
| 2016 | 250 |
| 2017 | 214 |
| 2018 | 349 |
| 2019 | 405 |
| 2020 | 419 |
| 2021 | 370 |
| 2022 | 384 |
| 2023 | 362 |
| 2024 | 155 |