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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 |
|---|---|
| 1917 | 1 |
| 1919 | 2 |
| 1949 | 4 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1981 | 2 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1992 | 1 |
| 1997 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 3 |
| 2015 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2024 | 0 |