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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 |
|---|---|
| 1951 | 3 |
| 1952 | 4 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 10 |
| 1956 | 3 |
| 1957 | 8 |
| 1958 | 6 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 5 |
| 1991 | 2 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 2 |
| 2005 | 1 |
| 2006 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2017 | 2 |
| 2020 | 1 |
| 2024 | 0 |