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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1955 | 1 |
| 1958 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1969 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 2 |
| 1978 | 3 |
| 1979 | 3 |
| 1980 | 3 |
| 1981 | 1 |
| 1982 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 4 |
| 1988 | 4 |
| 1989 | 2 |
| 1990 | 2 |
| 1992 | 2 |
| 1996 | 2 |
| 1999 | 2 |
| 2002 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |