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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1881 | 1 |
| 1884 | 2 |
| 1885 | 2 |
| 1886 | 10 |
| 1887 | 2 |
| 1888 | 2 |
| 1889 | 3 |
| 1890 | 1 |
| 1891 | 3 |
| 1899 | 3 |
| 1901 | 1 |
| 1902 | 1 |
| 1904 | 1 |
| 1907 | 25 |
| 1908 | 3 |
| 1915 | 1 |
| 1917 | 1 |
| 1919 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1924 | 1 |
| 1933 | 1 |
| 1938 | 1 |
| 1962 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1987 | 7 |
| 1988 | 4 |
| 1989 | 2 |
| 1992 | 1 |
| 1997 | 3 |
| 1998 | 4 |
| 1999 | 2 |
| 2001 | 2 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 5 |
| 2009 | 2 |
| 2010 | 7 |
| 2011 | 8 |
| 2012 | 4 |
| 2013 | 20 |
| 2014 | 25 |
| 2015 | 18 |
| 2016 | 22 |
| 2017 | 25 |
| 2018 | 47 |
| 2019 | 31 |
| 2020 | 55 |
| 2021 | 57 |
| 2022 | 53 |