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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 |
|---|---|
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 5 |
| 1954 | 3 |
| 1955 | 3 |
| 1959 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 1 |
| 1970 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1993 | 1 |
| 2003 | 3 |
| 2006 | 3 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 6 |
| 2012 | 8 |
| 2013 | 3 |
| 2014 | 11 |
| 2015 | 16 |
| 2016 | 13 |
| 2017 | 14 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 2 |