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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 |
|---|---|
| 1949 | 1 |
| 1965 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1977 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1990 | 2 |
| 1991 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 2 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2008 | 4 |
| 2009 | 1 |
| 2010 | 4 |
| 2011 | 3 |
| 2014 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 4 |