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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1952 | 1 |
| 1956 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1968 | 2 |
| 1969 | 3 |
| 1971 | 1 |
| 1972 | 1 |
| 1975 | 2 |
| 1977 | 1 |
| 1979 | 1 |
| 1981 | 2 |
| 1985 | 1 |
| 1987 | 1 |
| 1997 | 1 |
| 2004 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2013 | 3 |
| 2014 | 20 |
| 2015 | 14 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 23 |
| 2023 | 21 |
| 2024 | 14 |