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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1837 | 2 |
| 1846 | 1 |
| 1847 | 1 |
| 1848 | 1 |
| 1871 | 1 |
| 1873 | 1 |
| 1881 | 1 |
| 1887 | 1 |
| 1890 | 1 |
| 1897 | 1 |
| 1916 | 1 |
| 1922 | 1 |
| 1929 | 1 |
| 1945 | 1 |
| 1948 | 2 |
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 2 |
| 1953 | 3 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 2 |
| 1965 | 1 |
| 1971 | 4 |
| 1973 | 2 |
| 1977 | 2 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1990 | 4 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 4 |
| 2003 | 1 |
| 2005 | 5 |
| 2006 | 5 |
| 2007 | 4 |
| 2008 | 2 |
| 2009 | 2 |
| 2010 | 2 |
| 2011 | 6 |
| 2012 | 13 |
| 2013 | 8 |
| 2014 | 11 |
| 2015 | 11 |
| 2016 | 16 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 2 |