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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 |
|---|---|
| 1993 | 1 |
| 1997 | 4 |
| 1998 | 4 |
| 1999 | 197 |
| 2000 | 617 |
| 2001 | 642 |
| 2002 | 713 |
| 2003 | 842 |
| 2004 | 829 |
| 2005 | 1116 |
| 2006 | 1501 |
| 2007 | 1657 |
| 2008 | 1933 |
| 2009 | 2045 |
| 2010 | 2162 |
| 2011 | 2176 |
| 2012 | 2193 |
| 2013 | 2358 |
| 2014 | 2218 |
| 2015 | 2061 |
| 2016 | 1815 |
| 2017 | 1699 |
| 2018 | 1506 |
| 2019 | 1490 |
| 2020 | 1334 |
| 2021 | 998 |
| 2022 | 605 |
| 2023 | 386 |
| 2024 | 96 |