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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1943 | 1 |
| 1951 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 3 |
| 1983 | 1 |
| 1984 | 2 |
| 1987 | 1 |
| 1990 | 1 |
| 2007 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 0 |