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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 1 |
| 1859 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1919 | 1 |
| 1939 | 1 |
| 1946 | 4 |
| 1947 | 1 |
| 1949 | 5 |
| 1950 | 4 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 2 |
| 1958 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1974 | 1 |
| 1983 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 3 |
| 2001 | 5 |
| 2002 | 3 |
| 2003 | 5 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 2 |
| 2007 | 9 |
| 2008 | 9 |
| 2009 | 5 |
| 2010 | 5 |
| 2011 | 12 |
| 2012 | 12 |
| 2013 | 18 |
| 2014 | 22 |
| 2015 | 25 |
| 2016 | 32 |
| 2017 | 22 |
| 2018 | 22 |
| 2019 | 51 |
| 2020 | 40 |
| 2021 | 43 |
| 2022 | 50 |
| 2023 | 18 |
| 2024 | 0 |