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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 |
|---|---|
| 1950 | 1 |
| 1952 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 4 |
| 1961 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1972 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1978 | 2 |
| 1979 | 2 |
| 1981 | 2 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1993 | 1 |
| 1995 | 2 |
| 1998 | 1 |
| 2001 | 1 |
| 2008 | 3 |
| 2010 | 1 |
| 2013 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 2 |
| 2026 | 0 |