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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1944 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1958 | 2 |
| 1961 | 1 |
| 1964 | 1 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 5 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1996 | 2 |
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2007 | 1 |
| 2011 | 1 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 1 |
| 2024 | 4 |
| 2025 | 1 |