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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1957 | 1 |
| 1961 | 2 |
| 1968 | 2 |
| 1969 | 2 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 4 |
| 1978 | 1 |
| 1979 | 4 |
| 1980 | 3 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 5 |
| 1989 | 1 |
| 1990 | 1 |
| 1992 | 2 |
| 1998 | 1 |
| 1999 | 1 |
| 2011 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 0 |