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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 |
|---|---|
| 1988 | 44 |
| 1989 | 98 |
| 1990 | 103 |
| 1991 | 125 |
| 1992 | 134 |
| 1993 | 116 |
| 1994 | 112 |
| 1995 | 89 |
| 1996 | 56 |
| 1997 | 48 |
| 1998 | 53 |
| 1999 | 91 |
| 2000 | 39 |
| 2001 | 55 |
| 2002 | 77 |
| 2003 | 69 |
| 2004 | 84 |
| 2005 | 73 |
| 2006 | 80 |
| 2007 | 86 |
| 2008 | 90 |
| 2009 | 116 |
| 2010 | 101 |
| 2011 | 96 |
| 2012 | 76 |
| 2013 | 86 |
| 2014 | 95 |
| 2015 | 84 |
| 2016 | 69 |
| 2017 | 61 |
| 2018 | 49 |
| 2019 | 46 |
| 2020 | 61 |
| 2021 | 69 |
| 2022 | 67 |
| 2023 | 51 |
| 2024 | 30 |