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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1849 | 2 |
| 1851 | 2 |
| 1852 | 3 |
| 1853 | 2 |
| 1854 | 3 |
| 1855 | 2 |
| 1856 | 1 |
| 1857 | 3 |
| 1858 | 3 |
| 1860 | 3 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1977 | 1 |
| 1984 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 3 |
| 2010 | 7 |
| 2011 | 7 |
| 2012 | 6 |
| 2013 | 5 |
| 2014 | 9 |
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 15 |
| 2024 | 7 |
| 2025 | 3 |