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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 7 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 1 |
| 1958 | 1 |
| 1967 | 1 |
| 1969 | 3 |
| 1972 | 3 |
| 1974 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2006 | 1 |
| 2009 | 3 |
| 2011 | 2 |
| 2013 | 1 |
| 2015 | 1 |
| 2016 | 3 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 18 |
| 2021 | 17 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |