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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 9 |
| 1953 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1966 | 1 |
| 1969 | 7 |
| 1970 | 1 |
| 1971 | 4 |
| 1972 | 3 |
| 1974 | 5 |
| 1975 | 2 |
| 1976 | 4 |
| 1977 | 1 |
| 1978 | 5 |
| 1979 | 6 |
| 1980 | 1 |
| 1985 | 2 |
| 1987 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1994 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 16 |
| 2021 | 17 |
| 2022 | 24 |
| 2023 | 9 |
| 2024 | 1 |