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Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
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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 |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1953 | 1 |
| 1957 | 2 |
| 1966 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1985 | 1 |
| 1987 | 4 |
| 1988 | 2 |
| 1989 | 3 |
| 1994 | 1 |
| 1995 | 5 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 1 |
| 1999 | 5 |
| 2002 | 1 |
| 2005 | 2 |
| 2012 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |