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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 |
|---|---|
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 38 |
| 1998 | 85 |
| 1999 | 88 |
| 2000 | 98 |
| 2001 | 116 |
| 2002 | 141 |
| 2003 | 185 |
| 2004 | 218 |
| 2005 | 241 |
| 2006 | 230 |
| 2007 | 263 |
| 2008 | 344 |
| 2009 | 260 |
| 2010 | 313 |
| 2011 | 355 |
| 2012 | 361 |
| 2013 | 410 |
| 2014 | 397 |
| 2015 | 524 |
| 2016 | 380 |
| 2017 | 452 |
| 2018 | 455 |
| 2019 | 494 |
| 2020 | 465 |
| 2021 | 373 |
| 2022 | 381 |
| 2023 | 390 |
| 2024 | 417 |
| 2025 | 399 |