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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.
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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 |
|---|---|
| 1947 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1952 | 2 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 2 |
| 1961 | 1 |
| 1962 | 5 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1969 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2007 | 1 |
| 2010 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2024 | 0 |