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Federal government websites often end in .gov or .mil. Before
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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 3 |
| 1966 | 4 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 1 |
| 1971 | 1 |
| 1975 | 1 |
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1989 | 4 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 2 |
| 2005 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2024 | 0 |