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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1930 | 1 |
| 1955 | 3 |
| 1957 | 2 |
| 1959 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 3 |
| 1969 | 3 |
| 1970 | 1 |
| 1972 | 3 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 3 |
| 1979 | 2 |
| 1982 | 1 |
| 1985 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1996 | 2 |
| 1998 | 2 |
| 1999 | 2 |
| 2011 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |