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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1875 | 1 |
| 1881 | 1 |
| 1886 | 1 |
| 1894 | 5 |
| 1895 | 1 |
| 1908 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1920 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1985 | 1 |
| 1991 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 3 |
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 2 |
| 2006 | 3 |
| 2007 | 1 |
| 2008 | 3 |
| 2009 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2023 | 1 |
| 2025 | 0 |