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Federal government websites often end in .gov or .mil. Before
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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1970 | 2 |
| 1975 | 1 |
| 1983 | 1 |
| 1988 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 1 |
| 2001 | 6 |
| 2002 | 3 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 11 |
| 2007 | 24 |
| 2008 | 13 |
| 2009 | 25 |
| 2012 | 3 |
| 2014 | 4 |
| 2018 | 1 |
| 2024 | 0 |