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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 |
|---|---|
| 1990 | 1 |
| 1991 | 1 |
| 1993 | 5 |
| 1996 | 5 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 3 |
| 2000 | 13 |
| 2001 | 43 |
| 2002 | 69 |
| 2003 | 72 |
| 2004 | 69 |
| 2005 | 101 |
| 2006 | 106 |
| 2007 | 160 |
| 2008 | 219 |
| 2009 | 294 |
| 2010 | 373 |
| 2011 | 470 |
| 2012 | 568 |
| 2013 | 683 |
| 2014 | 756 |
| 2015 | 871 |
| 2016 | 913 |
| 2017 | 928 |
| 2018 | 1028 |
| 2019 | 1176 |
| 2020 | 1308 |
| 2021 | 1567 |
| 2022 | 1728 |
| 2023 | 1876 |
| 2024 | 2031 |
| 2025 | 1087 |