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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 |
|---|---|
| 1960 | 1 |
| 1962 | 1 |
| 1963 | 3 |
| 1965 | 3 |
| 1967 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 4 |
| 1982 | 1 |
| 1990 | 1 |
| 1995 | 1 |
| 2000 | 3 |
| 2001 | 4 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 2 |
| 2005 | 8 |
| 2006 | 13 |
| 2007 | 18 |
| 2008 | 15 |
| 2009 | 24 |
| 2010 | 19 |
| 2011 | 22 |
| 2012 | 17 |
| 2013 | 15 |
| 2014 | 29 |
| 2015 | 32 |
| 2016 | 25 |
| 2017 | 49 |
| 2018 | 34 |
| 2019 | 58 |
| 2020 | 64 |
| 2021 | 65 |
| 2022 | 51 |
| 2023 | 62 |
| 2024 | 25 |