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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 1 |
| 1859 | 1 |
| 1870 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1884 | 1 |
| 1886 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1906 | 1 |
| 1915 | 1 |
| 1930 | 1 |
| 1946 | 1 |
| 1951 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 4 |
| 2006 | 1 |
| 2007 | 4 |
| 2008 | 3 |
| 2009 | 4 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 1 |
| 2013 | 3 |
| 2015 | 9 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2024 | 0 |