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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1977 | 1 |
| 1982 | 1 |
| 1985 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1993 | 1 |
| 1996 | 2 |
| 2002 | 1 |
| 2004 | 9 |
| 2005 | 11 |
| 2006 | 7 |
| 2007 | 9 |
| 2008 | 20 |
| 2009 | 19 |
| 2010 | 22 |
| 2011 | 28 |
| 2012 | 40 |
| 2013 | 54 |
| 2014 | 59 |
| 2015 | 49 |
| 2016 | 48 |
| 2017 | 52 |
| 2018 | 39 |
| 2019 | 41 |
| 2020 | 40 |
| 2021 | 40 |
| 2022 | 32 |
| 2023 | 33 |
| 2024 | 35 |
| 2025 | 1 |