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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1975 | 3 |
| 1980 | 1 |
| 1990 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 16 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 2 |