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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1879 | 3 |
| 1880 | 1 |
| 1881 | 1 |
| 1884 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1896 | 1 |
| 1897 | 2 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1902 | 4 |
| 1903 | 1 |
| 1905 | 1 |
| 1910 | 1 |
| 1912 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 4 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 1 |
| 1960 | 3 |
| 1961 | 1 |
| 1962 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 3 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 3 |
| 1992 | 8 |
| 1993 | 3 |
| 1994 | 6 |
| 1995 | 3 |
| 1996 | 8 |
| 1997 | 10 |
| 1998 | 21 |
| 1999 | 17 |
| 2000 | 26 |
| 2001 | 26 |
| 2002 | 29 |
| 2003 | 24 |
| 2004 | 32 |
| 2005 | 25 |
| 2006 | 35 |
| 2007 | 23 |
| 2008 | 25 |
| 2009 | 25 |
| 2010 | 37 |
| 2011 | 44 |
| 2012 | 40 |
| 2013 | 49 |
| 2014 | 44 |
| 2015 | 35 |
| 2016 | 34 |
| 2017 | 41 |
| 2018 | 41 |
| 2019 | 29 |
| 2020 | 31 |
| 2021 | 32 |
| 2022 | 27 |
| 2023 | 8 |
| 2024 | 1 |