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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1860 | 3 |
| 1861 | 5 |
| 1862 | 7 |
| 1863 | 4 |
| 1881 | 1 |
| 1886 | 1 |
| 1889 | 2 |
| 1890 | 2 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 3 |
| 1894 | 2 |
| 1898 | 1 |
| 1899 | 1 |
| 1901 | 2 |
| 1904 | 1 |
| 1906 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1917 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1974 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 4 |
| 2001 | 5 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 7 |
| 2005 | 6 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 11 |
| 2009 | 13 |
| 2010 | 12 |
| 2011 | 15 |
| 2012 | 15 |
| 2013 | 16 |
| 2014 | 19 |
| 2015 | 27 |
| 2016 | 20 |
| 2017 | 12 |
| 2018 | 21 |
| 2019 | 12 |
| 2020 | 27 |
| 2021 | 14 |
| 2022 | 16 |
| 2023 | 16 |
| 2024 | 12 |
| 2025 | 10 |