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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1855 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1879 | 1 |
| 1881 | 2 |
| 1882 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1904 | 1 |
| 1915 | 1 |
| 1918 | 1 |
| 1920 | 4 |
| 1923 | 1 |
| 1928 | 1 |
| 1931 | 1 |
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1964 | 1 |
| 1969 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1985 | 1 |
| 1989 | 2 |
| 1991 | 3 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 4 |
| 1999 | 1 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 4 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 8 |
| 2007 | 10 |
| 2008 | 9 |
| 2009 | 11 |
| 2010 | 12 |
| 2011 | 14 |
| 2012 | 12 |
| 2013 | 18 |
| 2014 | 8 |
| 2015 | 11 |
| 2016 | 9 |
| 2017 | 16 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 0 |