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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1860 | 4 |
| 1863 | 2 |
| 1866 | 1 |
| 1867 | 1 |
| 1869 | 1 |
| 1870 | 2 |
| 1871 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1877 | 3 |
| 1881 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1897 | 1 |
| 1910 | 2 |
| 1933 | 1 |
| 1959 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 2 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1994 | 3 |
| 1995 | 2 |
| 1996 | 1 |
| 1998 | 4 |
| 1999 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 5 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 2 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 2 |
| 2013 | 6 |
| 2014 | 8 |
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |