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The .gov means it’s official.
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 |
|---|---|
| 1978 | 17 |
| 1979 | 25 |
| 1980 | 27 |
| 1981 | 25 |
| 1982 | 32 |
| 1983 | 32 |
| 1984 | 37 |
| 1985 | 38 |
| 1986 | 35 |
| 1987 | 38 |
| 1988 | 33 |
| 1989 | 41 |
| 1990 | 42 |
| 1991 | 34 |
| 1992 | 33 |
| 1993 | 33 |
| 1994 | 32 |
| 1995 | 30 |
| 1996 | 31 |
| 1997 | 34 |
| 1998 | 36 |
| 1999 | 33 |
| 2000 | 34 |
| 2001 | 29 |
| 2002 | 25 |
| 2003 | 27 |
| 2024 | 0 |