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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1841 | 1 |
| 1873 | 1 |
| 1904 | 2 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1910 | 2 |
| 1911 | 4 |
| 1912 | 1 |
| 1913 | 4 |
| 1915 | 2 |
| 1919 | 2 |
| 1920 | 1 |
| 1922 | 1 |
| 1924 | 1 |
| 1925 | 3 |
| 1932 | 1 |
| 1933 | 2 |
| 1936 | 2 |
| 1937 | 2 |
| 1940 | 1 |
| 1942 | 2 |
| 1944 | 1 |
| 1948 | 1 |
| 1950 | 2 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1961 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1990 | 1 |
| 1993 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 4 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 9 |
| 2008 | 7 |
| 2009 | 7 |
| 2010 | 6 |
| 2011 | 11 |
| 2012 | 15 |
| 2013 | 20 |
| 2014 | 15 |
| 2015 | 8 |
| 2016 | 17 |
| 2017 | 14 |
| 2018 | 14 |
| 2019 | 12 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 1 |