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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1845 | 1 |
| 1851 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1952 | 2 |
| 1955 | 3 |
| 1980 | 3 |
| 1981 | 3 |
| 1985 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 2 |
| 1998 | 1 |
| 2006 | 1 |
| 2009 | 2 |
| 2011 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 0 |