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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 |
|---|---|
| 1954 | 3 |
| 1958 | 1 |
| 1962 | 2 |
| 1964 | 8 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 5 |
| 1974 | 1 |
| 1976 | 3 |
| 1977 | 2 |
| 1978 | 3 |
| 1982 | 3 |
| 1983 | 2 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 2 |
| 1988 | 2 |
| 1990 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2005 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 0 |