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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 3 |
| 1974 | 1 |
| 1978 | 1 |
| 1981 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 1998 | 3 |
| 2000 | 1 |
| 2001 | 2 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2013 | 2 |
| 2015 | 1 |
| 2016 | 3 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 2 |