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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 4 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 2 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1888 | 1 |
| 1899 | 1 |
| 1915 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1973 | 1 |
| 1980 | 2 |
| 1988 | 2 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 5 |
| 1995 | 3 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 7 |
| 2005 | 8 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 10 |
| 2009 | 10 |
| 2010 | 8 |
| 2011 | 6 |
| 2012 | 4 |
| 2013 | 7 |
| 2014 | 4 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 0 |