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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 |
|---|---|
| 1975 | 1 |
| 1994 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 4 |
| 2001 | 8 |
| 2002 | 70 |
| 2003 | 81 |
| 2004 | 121 |
| 2005 | 150 |
| 2006 | 185 |
| 2007 | 223 |
| 2008 | 273 |
| 2009 | 294 |
| 2010 | 389 |
| 2011 | 453 |
| 2012 | 512 |
| 2013 | 629 |
| 2014 | 749 |
| 2015 | 790 |
| 2016 | 838 |
| 2017 | 887 |
| 2018 | 968 |
| 2019 | 1213 |
| 2020 | 1423 |
| 2021 | 1599 |
| 2022 | 1813 |
| 2023 | 1662 |
| 2024 | 1863 |
| 2025 | 2141 |
| 2026 | 1292 |