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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 |
|---|---|
| 1986 | 1 |
| 1996 | 1 |
| 1999 | 26 |
| 2000 | 103 |
| 2001 | 72 |
| 2002 | 130 |
| 2003 | 149 |
| 2004 | 209 |
| 2005 | 148 |
| 2006 | 218 |
| 2007 | 213 |
| 2008 | 208 |
| 2009 | 207 |
| 2010 | 234 |
| 2011 | 254 |
| 2012 | 334 |
| 2013 | 282 |
| 2014 | 282 |
| 2015 | 203 |
| 2016 | 267 |
| 2017 | 210 |
| 2018 | 235 |
| 2019 | 220 |
| 2020 | 267 |
| 2021 | 182 |
| 2022 | 163 |
| 2023 | 165 |
| 2024 | 163 |
| 2025 | 124 |