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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 |
|---|---|
| 1991 | 39 |
| 1992 | 46 |
| 1993 | 92 |
| 1994 | 1 |
| 1999 | 1 |
| 2006 | 190 |
| 2007 | 191 |
| 2008 | 188 |
| 2009 | 177 |
| 2010 | 179 |
| 2011 | 222 |
| 2012 | 174 |
| 2013 | 151 |
| 2014 | 160 |
| 2015 | 187 |
| 2016 | 215 |
| 2017 | 209 |
| 2018 | 191 |
| 2019 | 209 |
| 2020 | 216 |
| 2021 | 280 |
| 2022 | 290 |
| 2023 | 192 |
| 2024 | 69 |