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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1869 | 2 |
| 1879 | 2 |
| 1884 | 1 |
| 1889 | 1 |
| 1893 | 1 |
| 1949 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1980 | 1 |
| 1982 | 1 |
| 1986 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 3 |
| 2006 | 2 |
| 2008 | 1 |
| 2009 | 3 |
| 2011 | 3 |
| 2012 | 3 |
| 2013 | 3 |
| 2014 | 4 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 6 |