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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1884 | 2 |
| 1885 | 1 |
| 1886 | 4 |
| 1895 | 2 |
| 1896 | 2 |
| 1897 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 3 |
| 1903 | 1 |
| 1905 | 3 |
| 1906 | 1 |
| 1908 | 1 |
| 1912 | 1 |
| 1913 | 4 |
| 1915 | 1 |
| 1918 | 1 |
| 1921 | 2 |
| 1922 | 2 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1933 | 1 |
| 1936 | 1 |
| 1965 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1984 | 1 |
| 1988 | 2 |
| 1990 | 1 |
| 1991 | 2 |
| 1993 | 1 |
| 1994 | 1 |
| 1996 | 2 |
| 2000 | 1 |
| 2001 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 5 |
| 2012 | 5 |
| 2013 | 10 |
| 2014 | 6 |
| 2015 | 10 |
| 2016 | 15 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 19 |
| 2021 | 21 |
| 2022 | 15 |
| 2023 | 5 |