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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 | 30 |
| 1989 | 61 |
| 1990 | 66 |
| 1991 | 62 |
| 1992 | 68 |
| 1993 | 75 |
| 1994 | 69 |
| 1995 | 66 |
| 1996 | 60 |
| 1997 | 61 |
| 1998 | 73 |
| 1999 | 64 |
| 2000 | 72 |
| 2001 | 58 |
| 2002 | 48 |
| 2003 | 84 |
| 2004 | 127 |
| 2005 | 117 |
| 2006 | 94 |
| 2007 | 86 |
| 2008 | 85 |
| 2009 | 85 |
| 2010 | 66 |
| 2011 | 69 |
| 2012 | 72 |
| 2013 | 95 |
| 2014 | 116 |
| 2015 | 95 |
| 2016 | 103 |
| 2017 | 93 |
| 2018 | 106 |
| 2019 | 63 |
| 2020 | 56 |
| 2021 | 60 |
| 2022 | 55 |
| 2023 | 52 |
| 2024 | 16 |