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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 2 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 6 |
| 1958 | 3 |
| 1961 | 1 |
| 1962 | 3 |
| 1964 | 2 |
| 1965 | 5 |
| 1966 | 2 |
| 1967 | 2 |
| 1969 | 2 |
| 1970 | 3 |
| 1975 | 1 |
| 1976 | 2 |
| 1978 | 7 |
| 1979 | 2 |
| 1980 | 5 |
| 1981 | 2 |
| 1982 | 1 |
| 1985 | 3 |
| 1987 | 2 |
| 1988 | 3 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2017 | 2 |
| 2018 | 9 |
| 2019 | 23 |
| 2020 | 25 |
| 2021 | 34 |
| 2022 | 26 |
| 2023 | 27 |
| 2024 | 38 |
| 2025 | 1 |