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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 1 |
| 1857 | 1 |
| 1860 | 1 |
| 1872 | 1 |
| 1887 | 1 |
| 1916 | 1 |
| 1948 | 1 |
| 1959 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1981 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 3 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 0 |