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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 |
|---|---|
| 1971 | 46 |
| 1972 | 55 |
| 1973 | 58 |
| 1974 | 57 |
| 1975 | 67 |
| 1976 | 86 |
| 1977 | 71 |
| 1978 | 57 |
| 1979 | 66 |
| 1980 | 50 |
| 1981 | 59 |
| 1982 | 81 |
| 1983 | 51 |
| 1984 | 45 |
| 1985 | 49 |
| 1986 | 49 |
| 1987 | 44 |
| 1988 | 38 |
| 1989 | 34 |
| 1990 | 46 |
| 1991 | 58 |
| 1992 | 39 |
| 1993 | 36 |
| 2007 | 1 |
| 2015 | 2 |
| 2020 | 22 |
| 2021 | 32 |
| 2022 | 20 |
| 2023 | 11 |
| 2024 | 0 |