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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 |
| 1958 | 3 |
| 1959 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1974 | 1 |
| 1975 | 3 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 1 |
| 1982 | 1 |
| 1985 | 2 |
| 1988 | 1 |
| 1990 | 2 |
| 1992 | 2 |
| 1995 | 1 |
| 2000 | 1 |
| 2004 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2025 | 0 |