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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 |
|---|---|
| 1998 | 17 |
| 2004 | 3 |
| 2005 | 30 |
| 2006 | 2 |
| 2007 | 5 |
| 2008 | 36 |
| 2009 | 127 |
| 2010 | 861 |
| 2011 | 886 |
| 2012 | 1067 |
| 2013 | 1091 |
| 2014 | 1137 |
| 2015 | 1243 |
| 2016 | 1511 |
| 2017 | 1550 |
| 2018 | 1815 |
| 2019 | 1630 |
| 2020 | 1679 |
| 2021 | 1867 |
| 2022 | 2235 |
| 2023 | 3319 |
| 2024 | 1929 |