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The .gov means it’s official.
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The https:// ensures that you are connecting to the
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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1866 | 1 |
| 1874 | 2 |
| 1876 | 1 |
| 1922 | 1 |
| 1946 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 2 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 4 |
| 2006 | 5 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2023 | 1 |