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The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
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 |
|---|---|
| 1946 | 1 |
| 1947 | 3 |
| 1948 | 3 |
| 1949 | 2 |
| 1950 | 1 |
| 1951 | 2 |
| 1960 | 1 |
| 1994 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2019 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 0 |