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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1946 | 2 |
| 1947 | 2 |
| 1950 | 1 |
| 1953 | 1 |
| 1956 | 2 |
| 1958 | 1 |
| 1960 | 3 |
| 1964 | 3 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 4 |
| 1969 | 4 |
| 1970 | 2 |
| 1972 | 3 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 5 |
| 1979 | 4 |
| 1980 | 1 |
| 1981 | 8 |
| 1982 | 3 |
| 1983 | 3 |
| 1984 | 3 |
| 1985 | 3 |
| 1988 | 1 |
| 1989 | 2 |
| 1995 | 1 |
| 2010 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 3 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 16 |
| 2025 | 13 |