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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1887 | 1 |
| 1888 | 4 |
| 1894 | 3 |
| 1895 | 1 |
| 1899 | 2 |
| 1900 | 2 |
| 1901 | 2 |
| 1903 | 3 |
| 1904 | 1 |
| 1909 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 1 |
| 1916 | 3 |
| 1917 | 3 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1921 | 3 |
| 1925 | 1 |
| 1970 | 2 |
| 1982 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1990 | 2 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 5 |
| 2001 | 5 |
| 2002 | 3 |
| 2003 | 5 |
| 2004 | 3 |
| 2005 | 8 |
| 2006 | 8 |
| 2007 | 6 |
| 2008 | 6 |
| 2009 | 12 |
| 2010 | 9 |
| 2011 | 9 |
| 2012 | 9 |
| 2013 | 13 |
| 2014 | 18 |
| 2015 | 16 |
| 2016 | 19 |
| 2017 | 17 |
| 2018 | 21 |
| 2019 | 16 |
| 2020 | 17 |
| 2021 | 17 |
| 2022 | 10 |
| 2023 | 15 |