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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1887 | 2 |
| 1889 | 1 |
| 1890 | 1 |
| 1892 | 2 |
| 1894 | 2 |
| 1896 | 1 |
| 1897 | 1 |
| 1901 | 1 |
| 1905 | 2 |
| 1906 | 1 |
| 1907 | 1 |
| 1911 | 1 |
| 1969 | 1 |
| 1981 | 1 |
| 1990 | 1 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 3 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 3 |
| 2004 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 1 |
| 2013 | 3 |
| 2016 | 3 |
| 2019 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 0 |