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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1857 | 2 |
| 1864 | 2 |
| 1865 | 2 |
| 1866 | 2 |
| 1867 | 2 |
| 1868 | 2 |
| 1869 | 2 |
| 1870 | 2 |
| 1871 | 2 |
| 1872 | 2 |
| 1873 | 1 |
| 1874 | 1 |
| 1945 | 1 |
| 1946 | 2 |
| 1953 | 1 |
| 1961 | 1 |
| 1968 | 3 |
| 1969 | 4 |
| 1970 | 5 |
| 1971 | 4 |
| 1972 | 1 |
| 1973 | 3 |
| 1974 | 2 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 2 |
| 1978 | 1 |
| 1983 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 1 |
| 1992 | 3 |
| 1994 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2000 | 3 |
| 2001 | 5 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 2 |
| 2008 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 9 |