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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 2 |
| 1959 | 1 |
| 1960 | 4 |
| 1963 | 2 |
| 1965 | 1 |
| 1969 | 2 |
| 1972 | 1 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1982 | 3 |
| 1983 | 2 |
| 1987 | 1 |
| 1991 | 1 |
| 1994 | 1 |
| 2000 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2009 | 1 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 12 |
| 2026 | 2 |