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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1883 | 2 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 5 |
| 1887 | 7 |
| 1888 | 2 |
| 1891 | 2 |
| 1892 | 8 |
| 1896 | 15 |
| 1897 | 36 |
| 1898 | 34 |
| 1899 | 30 |
| 1900 | 20 |
| 1901 | 11 |
| 1902 | 9 |
| 1903 | 1 |
| 1904 | 3 |
| 1905 | 2 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1916 | 1 |
| 1920 | 1 |
| 1926 | 1 |
| 1932 | 2 |
| 1933 | 1 |
| 1936 | 1 |
| 1949 | 2 |
| 1952 | 1 |
| 1970 | 2 |
| 1971 | 19 |
| 1972 | 19 |
| 1973 | 22 |
| 1974 | 29 |
| 1975 | 27 |
| 1983 | 1 |
| 1986 | 9 |
| 1987 | 4 |
| 1988 | 3 |
| 1989 | 4 |
| 1990 | 4 |
| 1991 | 4 |
| 1992 | 6 |
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 1 |
| 2003 | 1 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 5 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 7 |
| 2012 | 10 |
| 2013 | 13 |
| 2014 | 10 |
| 2015 | 16 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 16 |
| 2019 | 24 |
| 2020 | 52 |
| 2021 | 48 |
| 2022 | 45 |
| 2023 | 31 |