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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1839 | 1 |
| 1841 | 1 |
| 1844 | 7 |
| 1845 | 4 |
| 1846 | 2 |
| 1847 | 5 |
| 1848 | 2 |
| 1849 | 10 |
| 1850 | 2 |
| 1852 | 7 |
| 1853 | 2 |
| 1854 | 1 |
| 1855 | 2 |
| 1857 | 1 |
| 1858 | 4 |
| 1859 | 11 |
| 1860 | 8 |
| 1861 | 3 |
| 1863 | 1 |
| 1864 | 1 |
| 1876 | 1 |
| 1935 | 1 |
| 1986 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 4 |
| 1994 | 1 |
| 1996 | 2 |
| 1997 | 4 |
| 1998 | 2 |
| 1999 | 3 |
| 2000 | 6 |
| 2001 | 2 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 7 |
| 2005 | 3 |
| 2006 | 4 |
| 2007 | 5 |
| 2008 | 4 |
| 2009 | 6 |
| 2010 | 7 |
| 2011 | 9 |
| 2012 | 4 |
| 2013 | 7 |
| 2014 | 17 |
| 2015 | 31 |
| 2016 | 36 |
| 2017 | 43 |
| 2018 | 48 |
| 2019 | 31 |
| 2020 | 21 |
| 2021 | 21 |
| 2022 | 9 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 0 |