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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1957 | 2 |
| 1959 | 1 |
| 1961 | 2 |
| 1963 | 3 |
| 1964 | 2 |
| 1965 | 2 |
| 1967 | 1 |
| 1969 | 1 |
| 1978 | 2 |
| 1979 | 3 |
| 1980 | 2 |
| 1983 | 1 |
| 1985 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 5 |
| 1990 | 11 |
| 1991 | 3 |
| 1992 | 1 |
| 1994 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 2 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |