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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1849 | 1 |
| 1850 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1864 | 1 |
| 1868 | 2 |
| 1870 | 1 |
| 1948 | 1 |
| 1950 | 2 |
| 1951 | 1 |
| 1954 | 2 |
| 1955 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 1 |
| 1972 | 5 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 1 |
| 1981 | 2 |
| 1984 | 1 |
| 1987 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 3 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 9 |
| 2021 | 20 |
| 2022 | 12 |
| 2023 | 20 |
| 2024 | 15 |