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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1864 | 1 |
| 1907 | 1 |
| 1916 | 1 |
| 1918 | 1 |
| 1926 | 1 |
| 1930 | 1 |
| 1940 | 1 |
| 1947 | 4 |
| 1948 | 1 |
| 1951 | 1 |
| 1953 | 1 |
| 1956 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1969 | 2 |
| 1974 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1980 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 2 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 2000 | 3 |
| 2001 | 3 |
| 2002 | 2 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 11 |
| 2006 | 12 |
| 2007 | 9 |
| 2008 | 8 |
| 2009 | 10 |
| 2010 | 14 |
| 2011 | 11 |
| 2012 | 11 |
| 2013 | 15 |
| 2014 | 13 |
| 2015 | 15 |
| 2016 | 17 |
| 2017 | 22 |
| 2018 | 18 |
| 2019 | 13 |
| 2020 | 17 |
| 2021 | 16 |
| 2022 | 13 |
| 2023 | 13 |
| 2024 | 7 |