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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1959 | 2 |
| 1963 | 3 |
| 1964 | 6 |
| 1965 | 1 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1979 | 1 |
| 1983 | 4 |
| 1984 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 1993 | 3 |
| 1995 | 3 |
| 1996 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2007 | 4 |
| 2008 | 3 |
| 2009 | 4 |
| 2014 | 5 |
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 20 |
| 2024 | 16 |