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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1889 | 1 |
| 1908 | 1 |
| 1948 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 1 |
| 1960 | 3 |
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1970 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1981 | 1 |
| 1988 | 1 |
| 1990 | 2 |
| 1994 | 1 |
| 1997 | 1 |
| 2000 | 2 |
| 2001 | 2 |
| 2004 | 1 |
| 2006 | 1 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 4 |
| 2014 | 3 |
| 2015 | 10 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 22 |
| 2023 | 14 |
| 2024 | 15 |
| 2025 | 14 |