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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 |
|---|---|
| 1982 | 1 |
| 1983 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1991 | 1 |
| 2002 | 9 |
| 2003 | 16 |
| 2004 | 15 |
| 2005 | 26 |
| 2006 | 35 |
| 2007 | 37 |
| 2008 | 64 |
| 2009 | 76 |
| 2010 | 83 |
| 2011 | 100 |
| 2012 | 88 |
| 2013 | 129 |
| 2014 | 143 |
| 2015 | 159 |
| 2016 | 169 |
| 2017 | 210 |
| 2018 | 223 |
| 2019 | 285 |
| 2020 | 356 |
| 2021 | 447 |
| 2022 | 463 |
| 2023 | 495 |
| 2024 | 384 |