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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 |
|---|---|
| 1946 | 1 |
| 1950 | 2 |
| 1951 | 1 |
| 1952 | 3 |
| 1954 | 1 |
| 1955 | 1 |
| 1958 | 1 |
| 1959 | 4 |
| 1963 | 2 |
| 1964 | 2 |
| 1965 | 2 |
| 1968 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1980 | 2 |
| 1981 | 3 |
| 1982 | 1 |
| 1987 | 1 |
| 1991 | 1 |
| 1996 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |