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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 |
|---|---|
| 1949 | 1 |
| 1950 | 1 |
| 1957 | 1 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1974 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1985 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 2001 | 1 |
| 2003 | 3 |
| 2004 | 1 |
| 2006 | 1 |
| 2009 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 15 |
| 2024 | 4 |