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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 1 |
| 1867 | 1 |
| 1870 | 2 |
| 1872 | 2 |
| 1873 | 1 |
| 1875 | 2 |
| 1876 | 2 |
| 1878 | 3 |
| 1879 | 1 |
| 1885 | 2 |
| 1886 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1911 | 1 |
| 1930 | 1 |
| 1989 | 1 |
| 1990 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1994 | 3 |
| 1995 | 3 |
| 1996 | 5 |
| 1998 | 5 |
| 1999 | 3 |
| 2000 | 7 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 1 |
| 2009 | 4 |
| 2010 | 2 |
| 2011 | 4 |
| 2012 | 7 |
| 2014 | 5 |
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 18 |
| 2020 | 53 |
| 2021 | 64 |
| 2022 | 52 |
| 2023 | 17 |
| 2024 | 2 |