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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1881 | 1 |
| 1886 | 1 |
| 1892 | 2 |
| 1896 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1906 | 1 |
| 1910 | 1 |
| 1911 | 5 |
| 1914 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1919 | 3 |
| 1920 | 2 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1933 | 1 |
| 1934 | 3 |
| 1937 | 1 |
| 1946 | 1 |
| 1957 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1989 | 2 |
| 1990 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 7 |
| 2001 | 4 |
| 2002 | 1 |
| 2003 | 5 |
| 2004 | 6 |
| 2005 | 13 |
| 2006 | 10 |
| 2007 | 27 |
| 2008 | 26 |
| 2009 | 32 |
| 2010 | 12 |
| 2011 | 12 |
| 2012 | 6 |
| 2013 | 9 |
| 2014 | 10 |
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 4 |
| 2024 | 0 |