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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1866 | 1 |
| 1878 | 1 |
| 1881 | 1 |
| 1883 | 1 |
| 1958 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1988 | 2 |
| 1989 | 2 |
| 1991 | 3 |
| 1993 | 2 |
| 1998 | 1 |
| 2001 | 2 |
| 2006 | 1 |
| 2007 | 3 |
| 2008 | 2 |
| 2009 | 2 |
| 2010 | 2 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 5 |