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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1891 | 1 |
| 1906 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1920 | 1 |
| 1922 | 1 |
| 1925 | 1 |
| 1928 | 1 |
| 1935 | 1 |
| 1970 | 1 |
| 1978 | 2 |
| 1991 | 1 |
| 1995 | 1 |
| 1998 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 2 |
| 2005 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2014 | 1 |
| 2016 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |