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Federal government websites often end in .gov or .mil. Before
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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1955 | 4 |
| 1956 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1968 | 3 |
| 1969 | 5 |
| 1974 | 2 |
| 1975 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1986 | 2 |
| 1993 | 1 |
| 1994 | 1 |
| 1996 | 1 |
| 2001 | 1 |
| 2002 | 5 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 4 |
| 2008 | 4 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 4 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 2 |
| 2020 | 6 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 0 |