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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 |
|---|---|
| 1952 | 2 |
| 1953 | 7 |
| 1954 | 2 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 2 |
| 1965 | 7 |
| 1966 | 1 |
| 1974 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1997 | 1 |
| 2000 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2013 | 1 |
| 2014 | 4 |
| 2019 | 1 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 0 |