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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 3 |
| 1849 | 4 |
| 1850 | 1 |
| 1851 | 2 |
| 1854 | 1 |
| 1859 | 1 |
| 1862 | 1 |
| 1867 | 3 |
| 1868 | 1 |
| 1869 | 1 |
| 1874 | 1 |
| 1881 | 1 |
| 1887 | 1 |
| 1895 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1922 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1933 | 2 |
| 1939 | 1 |
| 1943 | 1 |
| 1948 | 2 |
| 1950 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 3 |
| 1973 | 1 |
| 1980 | 2 |
| 1983 | 1 |
| 1987 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1996 | 2 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 5 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 6 |
| 2006 | 2 |
| 2008 | 3 |
| 2009 | 4 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 1 |
| 2021 | 2 |
| 2024 | 0 |