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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 | 48 |
| 1979 | 107 |
| 1980 | 75 |
| 1981 | 87 |
| 1982 | 85 |
| 1983 | 79 |
| 1984 | 83 |
| 1985 | 73 |
| 1986 | 68 |
| 1987 | 48 |
| 1988 | 58 |
| 1989 | 67 |
| 1990 | 71 |
| 1991 | 53 |
| 1992 | 66 |
| 1993 | 64 |
| 1994 | 65 |
| 1995 | 53 |
| 1996 | 57 |
| 1997 | 58 |
| 1998 | 53 |
| 1999 | 58 |
| 2000 | 65 |
| 2001 | 63 |
| 2002 | 60 |
| 2003 | 62 |
| 2004 | 58 |
| 2005 | 59 |
| 2006 | 72 |
| 2007 | 55 |
| 2024 | 0 |