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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1892 | 1 |
| 1909 | 1 |
| 1910 | 3 |
| 1914 | 1 |
| 1920 | 1 |
| 1924 | 2 |
| 1927 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 1 |
| 1958 | 2 |
| 1960 | 1 |
| 1961 | 1 |
| 1965 | 3 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1976 | 4 |
| 1977 | 1 |
| 1979 | 3 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2001 | 2 |
| 2002 | 3 |
| 2003 | 3 |
| 2004 | 4 |
| 2005 | 10 |
| 2006 | 12 |
| 2007 | 10 |
| 2008 | 27 |
| 2009 | 28 |
| 2010 | 1 |
| 2012 | 4 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 0 |