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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1978 | 3 |
| 1980 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1987 | 1 |
| 1988 | 2 |
| 1991 | 1 |
| 1992 | 2 |
| 1994 | 3 |
| 1995 | 1 |
| 1996 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2004 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 6 |
| 2013 | 11 |
| 2014 | 12 |
| 2015 | 23 |
| 2016 | 14 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 19 |
| 2020 | 24 |
| 2021 | 21 |
| 2022 | 25 |
| 2023 | 18 |
| 2024 | 14 |
| 2025 | 2 |