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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1898 | 1 |
| 1909 | 1 |
| 1949 | 3 |
| 1950 | 1 |
| 1954 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1968 | 1 |
| 1972 | 1 |
| 1974 | 2 |
| 1975 | 3 |
| 1976 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1982 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 2000 | 1 |
| 2010 | 2 |
| 2011 | 2 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |